Etymology and origin of the Latin word lunatus
- Confidence
- Established
- Formation
- Derivation
- First attested
- 2nd half of the 1st century BC, Bellum Africum
- Ultimate origin
- Proto-Indo-European *le/ouk-s-nh₂-
Forms
lūnātus (feminine lūnāta, neuter lūnātum); first/second-declension adjective[1][2]
Etymology
The OLD takes it as from Latin lūna (“moon”) + -ātus,[1] while Lewis & Short and Georges treat it as the participle of lūnō (“to bend into a crescent”), itself made from that noun.[3][2] De Vaan traces lūna to Proto-Italic *louksnā- and Proto-Indo-European *le/ouk-s-nh₂- (“shiny, bright”), probably an old epithet of the moon.[4] Cognate with Ancient Greek λύχνος (lúkhnos, “lamp”) and Old Prussian lauxnos (“stars”).[4]
Earliest recorded meaning
Köbler's first source is the Bellum Africum.[5] Virgil uses it of the crescent-shaped shields of the Amazons.[3][2]
Semantic evolution
It describes anything crescent-shaped: Statius has a young bull with a crescent brow,[3] Pliny the Elder horns and shells,[3] Columella an iron tool, Celsus a figure, and Lucan a curved sword.[2][3] In surveyors' geometry it was used of angles whose sides are arcs.[1]
It also meant bearing a crescent: Martial uses it of the shoe with a crescent-shaped buckle that marked a senator,[1][3] and Statius of a troop with crescent shields.[1][3] In the Middle Ages it was glossed in Old High German.[5]
Timeline
- 2nd half of the 1st century BC – The Bellum Africum uses it.[5]
- 70–19 BC – Virgil uses it of the Amazons' shields.[3][5]
- 23/24–79 AD – Pliny the Elder uses it of horns and shells.[3][5]
- 40–102/103 AD – Martial uses it of a senator's shoe.[3][5]
Meanings
Adjective
- Crescent-shaped, lunate.[1][3]
- (geometry) Of angles whose sides are arcs of circles.[1]
- Of shoes, having a crescent-shaped buckle.[1][2]
- Having crescent-shaped shields.[1]
References
- ^ 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 e Georges, Karl Ernst (1913–1918), Ausführliches lateinisch-deutsches Handwörterbuch, 8th ed., ed. Heinrich Georges, Hannover; Leipzig: Hahn
- ^ a b c d e f g h i j k Lewis, Charlton T.; Short, Charles (1879), A Latin Dictionary, Oxford: Clarendon Press
- ^ a b 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 d e f Köbler, Gerhard (2010), Lateinisches Abkunfts- und Wirkungswörterbuch für Altertum und Mittelalter, online ed., koeblergerhard.de
Cite this entry
“Lunatus.” Etymologically, 20 Oct. 2026, etymologically.com/la/lunatus. Accessed 22 Oct. 2026.
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