eta

1 of 2

noun

ˈā-tə How to pronounce eta (audio)
 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

Time Traveler
The first known use of eta was in the 15th century

Dictionary Entries Near eta

Cite this Entry

“Eta.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/eta. Accessed 22 Apr. 2024.

Kids Definition

eta

noun
: the seventh letter of the Greek alphabet
Η or η

More from Merriam-Webster on eta

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