Etymologically

Etymology and origin of the Old Norse word knífr

Confidence
Probable
Formation
Inherited
First attested
1200–1225 AM 619 4to More words from the 12th century
Inherited from
Proto-Germanic *knībaz
Ultimate origin
Proto-Germanic *knībaz
Etymology tree
inherited borrowed derived
Old Norse knífr
English knife

Forms

knífr m (genitive knífs, plural knífar) (strong a-stem)[1] Runic knif on a find from Lund, Denmark (DR EM85;462A).[2]

Etymology

It is inherited from Proto-Germanic *knībaz (“knife”),[1][3][4] with the cognates Old Frisian knīf, Middle Low German knīf and Middle Dutch cnijf, and German dialect Kneif (“shoemaker's knife”).[3][5][6] Old English cnīf appears only in late Old English and may be from Norse.[5][7]

Forms with ⟨p⟩ stand beside it, Middle Low German knīp (“knife”) among them;[3][8][5] Orel and Ásgeir Blöndal Magnússon relate the word to the verb for “to pinch” in spite of the different consonant, from a Germanic stem meaning “to squeeze, nip off”.[3][8][5] Köbler traces it to Proto-Indo-European *gneybʰ- (“to pinch”).[4][9] Falk instead took the first sense as “curved tool”, noting that kneif is above all a fisherman's knife, and linked it with kneikja.[5]

Earliest recorded meaning

Two runic finds may be older than the manuscripts: a piece from Lund that says knífr mælti “the knife spoke”, dated to the eleventh century by Rundata with a query, and one from Germany with Pái á knif góðan “Pái owns a good knife”.[2][10] The first dated manuscript records are cnifi in AM 619 4to of 1200–1225[11] and, about 1220, a woman who bra … cnífe oc leitaþe at scera a halsinn “drew a knife and tried to cut at the throat”.[12]

Semantic evolution

The knífr was the knife or dirk worn at the belt; a knife with a belt was a usual gift, and the handles were carved from walrus ivory.[13] Deila kníf ok kjǫtstykki “to share knife and piece of meat” meant to live together as kinsmen, a phrase of the Grágás and the sagas.[14][12] Kaupa um knífa “to exchange knives” is said of a woman changing her husband.[15][14] In poetry it is a word of Atlamál, where Hǫgni's heart is cut out with a knife.[16][17]

Icelandic has hnífur, with hn- since the sixteenth century, beside knífur.[8] The mainland languages have Swedish, Danish and Norwegian kniv.[5] English knife is usually taken from Norse, though the West Germanic cognates leave room for a native word.[7][18] French canif “penknife” is also of Germanic origin, possibly through Old English.[5]

Timeline

  • 1200–1225 – cnifi in the manuscript AM 619 4to.[11]
  • 1220 – bra hon cnífe “she drew a knife”, ONP's first dated citation.[12]
  • 1250 – knífr ok kjǫtstykki “knife and piece of meat” in the Grágás manuscript Konungsbók.[12]
  • 1500s – Icelandic hnífur with hn-.[8]

Meanings

Noun

  1. a knife, dirk or dagger.[12][19]
  2. a penknife.[12]
  3. (figurative) a husband, in kaupa um knífa “to change husbands”.[15][14]

Word family

  • matknífr
  • skrifknífr
  • tǫlguknífr
  • brytknífr
  • borðknífr
  • knífsblað
  • knífshepti
  • knífsoddr
  • knífsskepti

Descendants

  • Icelandic hnífur[1]
  • Faroese knívur[1]
  • Norwegian Nynorsk kniv[1]
  • Norwegian Bokmål kniv[1]
  • Swedish kniv[1]
  • Danish kniv[1]
  • Old English cnīf, probably (English knife)[7][18]
  • kneif

References

  1. ^ a b c d e f g h Wiktionary, the free dictionary, https://en.wiktionary.org
  2. ^ a b Samnordisk runtextdatabas (Rundata 3.1), Uppsala universitet (inscriptions by signum), p. DR EM85;462A
  3. ^ a b c d Orel, Vladimir (2003), A Handbook of Germanic Etymology, Leiden / Boston: Brill, p. 218
  4. ^ a b Köbler, Gerhard (2014), Germanisches Wörterbuch, 5th ed., online, koeblergerhard.de/wikiling
  5. ^ a b c d e f g de Vries, Jan (1977), Altnordisches etymologisches Wörterbuch, 2nd ed., Leiden: Brill, p. 321
  6. ^ Falk, Hjalmar; Torp, Alf (1910–1911), Norwegisch-dänisches etymologisches Wörterbuch, Heidelberg, p. s.v. kniv
  7. ^ a b c Dance, Richard; Pons-Sanz, Sara; Schorn, Brittany, eds., The Gersum Project: The Scandinavian Influence on English Vocabulary, gersum.org
  8. ^ a b c d Ásgeir Blöndal Magnússon (1989), Íslensk orðsifjabók, Reykjavík: Orðabók Háskólans, ordsifjabok.arnastofnun.is, p. s.v. hnífur
  9. ^ Pokorny, Julius (1959), Indogermanisches etymologisches Wörterbuch, Bern; Munich: Francke, p. 370
  10. ^ Samnordisk runtextdatabas (Rundata 3.1), Uppsala universitet (inscriptions by signum), p. DE EM85;534
  11. ^ a b Menota: Medieval Nordic Text Archive, menota.org (texts by shelfmark; CC BY-SA 4.0), p. AM 619 4to
  12. ^ a b c d e f Ordbog over det norrøne prosasprog / A Dictionary of Old Norse Prose, Copenhagen, onp.ku.dk (CC BY-SA 4.0), p. s.v. knífr
  13. ^ Cleasby, Richard; Vigfússon, Guðbrandur (1874), An Icelandic-English Dictionary, Oxford: Clarendon Press, p. 346
  14. ^ a b c Fritzner, Johan (1886–1896), Ordbog over det gamle norske Sprog, 2nd ed., Kristiania, p. s.v. knífr
  15. ^ a b Baetke, Walter (1965–1968), Wörterbuch zur altnordischen Prosaliteratur, Berlin (digital ed. Greifswald 2006), p. 332
  16. ^ Gering, Hugo (1903), Vollständiges Wörterbuch zu den Liedern der Edda, Halle: Waisenhaus, p. col. 556
  17. ^ Finnur Jónsson (1931), Lexicon Poeticum antiquæ linguæ septentrionalis, 2nd ed., Copenhagen: S. L. Møller, p. 342
  18. ^ a b Harper, Douglas. Online Etymology Dictionary, https://www.etymonline.com
  19. ^ Zoëga, Geir T. (1910), A Concise Dictionary of Old Icelandic, Oxford: Clarendon Press, p. s.v. knífr

Related etymologies

  • visk · also from Proto-Germanic
  • klubba · also from Proto-Germanic
  • hǫggva · also from Proto-Germanic
  • taka · also from Proto-Germanic
  • garðr · also from Proto-Germanic
  • geta · also from Proto-Germanic
  • draga · also from Proto-Germanic
  • flatr · also from Proto-Germanic
Cite this entry

“Knífr.” Etymologically, 13 Nov. 2026, etymologically.com/non/kn%C3%ADfr. Accessed 13 Nov. 2026.

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