Etymologically

Etymology and origin of the Latin word instillo

Confidence
Established
Formation
Derivation
First attested
234–149 BC, Cato
Ultimate origin
Latin stīlla
Etymology tree
inherited borrowed derived
Latin stillo
Latin instillo
From the same root
Latin destillo ← stillo

Pronunciation

  • Classical: [ĩːˈstiːl.loː][1]
  • Ecclesiastical: [inˈstil.lo][1]

Forms

īnstīllō (present infinitive īnstīllāre, perfect active īnstīllāvī, supine īnstīllātum); first conjugation[1]

Etymology

It is from Latin in- + stīllō (“to fall in drops, drip”),[2][3][4] and stīllō is formed from stīlla (“drop”).[1][5] De Vaan takes stīlla as perhaps a diminutive of stīria (“icicle”), from Proto-Italic *stī/eir-(lā-), and finds the usual comparison with words for “stiff” unfounded.[5]

Earliest recorded meaning

De Vaan has it from Cato on,[5] who in his treatise on farming prescribes juice to be dripped warm into the ear.[2]

Semantic evolution

Its basic sense is to pour in drop by drop:[2] Cicero uses it of oil dripped into a lamp, as an image of the mind kept alive in old age,[2][6] Horace of oil on cabbages, and Ovid of wine poured on a fire.[2][7] Medical writers such as Celsus and Pliny the Elder use it of drops for the ears and eyes.[2][4] In Cicero's verse translation of Aeschylus it means to drip on to: drops that drip steadily on the rocks of the Caucasus.[2]

Figuratively it means to instil little by little: Cicero says a letter put a little life into him, and Horace advises dropping a precept into someone's ears.[2][6] Seneca uses it of instilling virtue in minds;[2] Christian writers use it of God instilling the beginning of mercy and of the devil instilling evil.[4][8] Medieval texts use it of pharmacy and medicine, of giving to drink and of inspiring or whispering.[9] English instill (early 15th century) comes from it.[10]

Timeline

  • 234–149 BC – Cato uses it of dripping juice into the ear.[2][11]
  • 81–43 BC – Cicero uses it of oil in a lamp, of a letter that revives him, and of drops on a rock.[2][11]
  • 65–8 BC – Horace uses it of a precept dropped into the ears.[2][11]
  • 14–37 AD – Celsus uses it of medicine dropped in.[4][11]
  • early 15th century – English borrows it as instill.[10]

Meanings

Verb

  1. To pour in drop by drop, drop in.[2][6]
  2. (figurative) To introduce little by little, instill, inspire.[2][6]
  3. To drip on to.[2][6]

Word family

  • instillātiō

References

  1. ^ a b c d Wiktionary, the free dictionary, https://en.wiktionary.org
  2. ^ a b c d e f g h i j k l m n o Glare, P. G. W., ed. (2012), Oxford Latin Dictionary, 2nd ed., Oxford: Oxford University Press
  3. ^ Bianchi, Rossella; Lelli, Olga (2014), VOLI: Vocabolario di latino, Florence: Le Monnier
  4. ^ a b c d Thesaurus linguae Latinae (1900–), Leipzig: Teubner; Berlin: De Gruyter; open-access ed., Munich: Bayerische Akademie der Wissenschaften
  5. ^ a b c de Vaan, Michiel (2008), Etymological Dictionary of Latin and the other Italic Languages, Leiden Indo-European Etymological Dictionary Series 7, Leiden; Boston: Brill
  6. ^ a b c d e Lewis, Charlton T.; Short, Charles (1879), A Latin Dictionary, Oxford: Clarendon Press
  7. ^ Conte, Gian Biagio; Pianezzola, Emilio; Ranucci, Giuliano (2010), il Latino: Vocabolario della lingua latina, 3rd ed., Florence: Le Monnier
  8. ^ Stelten, Leo F. (1995), Dictionary of Ecclesiastical Latin, Peabody, Mass.: Hendrickson
  9. ^ Mittellateinisches Wörterbuch bis zum ausgehenden 13. Jahrhundert (1967–), Munich: C. H. Beck; Bayerische Akademie der Wissenschaften
  10. ^ a b Harper, Douglas. Online Etymology Dictionary, https://www.etymonline.com
  11. ^ a b c d Köbler, Gerhard (2010), Lateinisches Abkunfts- und Wirkungswörterbuch für Altertum und Mittelalter, online ed., koeblergerhard.de
Cite this entry

“Instillo.” Etymologically, 21 Oct. 2026, etymologically.com/la/instillo. Accessed 22 Oct. 2026.

Last edited on . ·