mensis

Etymology 1

From Proto-Indo-European *mḗh₁n̥s (“moon, month”), probably from Proto-Indo-European *meh₁- (“to measure”), referring to the moon's phases as the measure of time. Cognate with Ancient Greek μήν (mḗn), μήνη (mḗnē), English month; Scots moneth (“month”); North Frisian muunt (“month”); Saterland Frisian Mound (“month”), Dutch maand (“month”); German Low German Maand, Monat (“month”); German Monat (“month”); Danish måned (“month”); Swedish månad (“month”); Icelandic mánuði (“month”); Armenian ամիս (amis); Old Irish mí; Old Church Slavonic мѣсѧць (měsęcĭ).

Etymology 2

Inflected form of mēnsa (“table”).

References

• mensis in Charlton T. Lewis and Charles Short (1879) A Latin Dictionary, Oxford: Clarendon Press
• mensis in Charlton T. Lewis (1891) An Elementary Latin Dictionary, New York: Harper & Brothers
• mensis in Charles du Fresne du Cange’s Glossarium Mediæ et Infimæ Latinitatis (augmented edition, 1883–1887)
• mensis in Gaffiot, Félix (1934) Dictionnaire Illustré Latin-Français, Hachette
• Carl Meissner; Henry William Auden (1894) Latin Phrase-Book‎, London: Macmillan and Co.
  • to hold out for four months: obsidionem quattuor menses sustinere
    
  • (ambiguous) the intercalary year (month, day): annus (mensis, dies) intercalaris
    
• mensis in Harry Thurston Peck, editor (1898) Harper's Dictionary of Classical Antiquities, New York: Harper & Brothers
• mensis in William Smith et al., editor (1890) A Dictionary of Greek and Roman Antiquities, London: William Wayte. G. E. Marindin