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noun Uncommon

eta

EE-tuh
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Eta (noun) means the seventh letter of the Greek alphabet (Η, η). Example: “The fraternity's name includes the Greek letter eta.”

noun
1
The seventh letter of the Greek alphabet (Η, η).
"The fraternity's name includes the Greek letter eta."
"Greek was an exercise in making the familiar strange. Its alphabet mapped onto the Roman alphabet, but only partly so, and often letters did not sound how they looked — a rho (Ρ) was not a P, and an eta (Η) was not an H." — R. F. Kuang, Babel (2022)
2
Abbreviation for "estimated time of arrival."
"What's our ETA at the airport?"

How to use eta

Learner’s notes

In plain EnglishEither a Greek letter, or the common abbreviation for "estimated time of arrival."

Common pairings
what's the ETA ETA of arrival
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Word forms

Plural
etas
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The fraternity's name includes the Greek letter _____.

Etymology

Eta comes from Ancient Greek ἦτα (êta).

Origin: Ancient Greek

Rhymes for eta

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Frequently asked questions

What does “eta” mean?
The word “eta” means the seventh letter of the Greek alphabet (Η, η). In plain terms, either a Greek letter, or the common abbreviation for "estimated time of arrival.".
How do you pronounce “eta”?
“Eta” is pronounced EE-tuh (/ˈeɪtə/ in IPA).
How do you use “eta” in a sentence?
Here is “eta” used in a sentence: “The fraternity's name includes the Greek letter eta.”
What part of speech is “eta”?
“Eta” is a noun.
Is “eta” a common word?
“Eta” is an uncommon word in modern English.
How many meanings does “eta” have?
“Eta” has 2 distinct senses listed in this dictionary. The most common is: the seventh letter of the Greek alphabet (Η, η).