era
English
/ˈɪə̯ɹ.ə/, /ˈɛɹ.ə/
noun
Definitions
- A time period of indeterminate length, generally more than one year.
- (geology) A unit of time, smaller than eon and greater than period.
Etymology
Borrowed from Latin aera (given number).
Origin
Latin
aera
Gloss
given number