Strong's #2094: etos (pronounced et'-os)
apparently a primary word; a year:--year.
Thayer's Greek Lexicon:
̓́
etos
1) year
Part of Speech: noun neuter
Relation: apparently a primary word
Usage:
This word is used 51 times:
Revelation 20:7: "when the thousand years are expired, Satan shall be loosed out of"