adjective/eˈfimeɾo/
ephemeral; short-lived
Antonyms: longevo
Etymology tree Proto-Indo-European *h₁ep-der. Proto-Indo-European *h₁épsder. Proto-Indo-European *h₁epi Proto-Hellenic *epí Ancient Greek ἐπί (epí) Ancient Greek ἐπῐ- (epĭ-) Proto-Indo-European *Héh₂mr̥ Proto-Hellenic *ā́mər Ancient Greek ἦμαρ (êmar) Ancient Greek ἡμέρᾱ (hēmérā) Ancient Greek -ος (-os) Ancient Greek ἐφήμερος (ephḗmeros)lbor. Spanish efímero Learned borrowing from Ancient Greek ἐφήμερος (ephḗmeros, “short-lived”), from ἐπῐ- (epĭ-, “on”) + ἡμέρᾱ (hēmérā, “day”) + -ος (-os, adjecti