Etymology and origin of the Latin word oblongus
- Confidence
- Established
- Formation
- Derivation
- First attested
- c. 250–184 BC Plautus, Mercator More words from the 3rd century BC
- Ultimate origin
- Latin longus
Etymology tree
From the same root
Forms
oblongus (feminine oblonga, neuter oblongum); first/second-declension adjective[1]
Etymology
It is formed from Latin ob- + longus (“long”).[2][3][4] Etymonline takes the prefix here as perhaps intensive.[5] longus goes back to Proto-Italic *(d)longo- and Proto-Indo-European *dlongʰ-o-.[6]
Earliest recorded meaning
The first example is in Plautus' Mercator, in a description of a person with dark eyes and longish cheeks.[2][3]
Semantic evolution
Its usual sense is longer than broad: Varro uses it of a stone table, Sallust of the oblong huts of Numidian peasants, Livy of a city of oblong shape, and Celsus, Columella, Pliny the Elder and Tacitus of lint, knives, seeds and dishes.[2] Vitruvius has the comparative oblongior.[2][7] Lewis and Short give the sense rather long, longish, and note that it is not in Cicero or Caesar.[7] English took it over in the early 15th century as oblong.[5]
Timeline
- c. 250–184 BC – Plautus uses it of cheeks.[2][3]
- 116–27 BC – Varro uses it of a stone table.[2][4]
- 86–34 BC – Sallust uses it of Numidian huts.[2]
- c. 84–c. 25 BC – Vitruvius uses the comparative oblongior.[2]
- early 15th century – Borrowed into English as oblong.[5]
Meanings
Adjective
Word family
- oblongulus
Related words
References
- ^ a b c d Wiktionary, the free dictionary, https://en.wiktionary.org
- ^ a b c d e f g h i Glare, P. G. W., ed. (2012), Oxford Latin Dictionary, 2nd ed., Oxford: Oxford University Press
- ^ a b c d Thesaurus linguae Latinae (1900–), Leipzig: Teubner; Berlin: De Gruyter; open-access ed., Munich: Bayerische Akademie der Wissenschaften
- ^ a b Köbler, Gerhard (2010), Lateinisches Abkunfts- und Wirkungswörterbuch für Altertum und Mittelalter, online ed., koeblergerhard.de
- ^ a b c Harper, Douglas. Online Etymology Dictionary, https://www.etymonline.com
- ^ de Vaan, Michiel (2008), Etymological Dictionary of Latin and the other Italic Languages, Leiden Indo-European Etymological Dictionary Series 7, Leiden; Boston: Brill
- ^ a b c Lewis, Charlton T.; Short, Charles (1879), A Latin Dictionary, Oxford: Clarendon Press
Cite this entry
“Oblongus.” Etymologically, 14 Nov. 2026, etymologically.com/la/oblongus. Accessed 14 Nov. 2026.
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