the seventh letter in the Greek alphabet (Η, η), a long vowel sound, transliterated as e or ē
Word Origin
Greek, of Phoenician origin; compare Hebrew heth
eta2
/ˈeɪtə/
noun (pl) eta, etas
1.
(in Japan, formerly) a member of a class of outcasts who did menial and dirty tasks
Word Origin
C19: Japanese
ETA1
abbreviation
1.
estimated time of arrival
ETA2
/ˈɛtə/
noun acronym
1.
Euzkadi ta Askatsuna: an organization of militant Basque nationalists attempting to gain independence for the Basques, esp those ruled by Spain, until a ceasefire in 1998, by means of guerrilla warfare
Word Origin
Basque, literally: Basque Nation and Liberty
Word Origin and History for eta
e.t.a.
abbreviation of estimated time (of) arrival, first attested 1939.
eta in Medicine
eta e·ta (ā'tə, ē'tə) n.
Symbol η The seventh letter of the Greek alphabet.