eta

1 of 2

noun

ˈā-tə 

 chiefly British  ˈē-tə

: the 7th letter of the Greek alphabet see Alphabet Table

ETA

2 of 2

abbreviation

estimated time of arrival

Word History

Etymology

Noun

Middle English, from Late Latin, from Greek ēta, of Semitic origin; akin to Hebrew ḥēth heth

First Known Use

Noun

15th century, in the meaning defined above

Kids Definition

eta

noun

ˈāt-ə 

: the seventh letter of the Greek alphabet

—Η or η