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Word of the Day Wednesday, June 10, 2026

eta

/ɛtə/ noun · British & US
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What does eta mean?

noun

A Greek letter, the seventh letter of the Greek alphabet. In computing, a measure of time before an event is expected to start.

Example

"The meeting will start in 5 eta, so we should arrive by then."

Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.

Etymologically related

Synonyms for eta

Antonyms of eta

Rhymes with eta