Origin of ultimoClassical Latin ultimo (mense), (in the) last (month), ablative singular of ultimus: see ultima
Origin of ultimoLatin ultimō (mēnse), in the last (month), ablative of ultimus, last; see ultimate.
- (obsolete) On the last day (of a specified month).
- Of last month.
First attested in 1582; from the Latin ultimō (elliptically for ultimō diē or ultimō mēnse), masculine ablative singular form of ultimus (“last”); cognate with Dutch ultimo, the German ultimo, the Swedish ultimo, etc.
(plural not attested)
- (obsolete, rare) = ultimum