EO

1 of 2

abbreviation

executive order

eo-

2 of 2

combining form

: earliest : oldest

eolithic

Word History

Etymology

Combining form

Greek ēō- dawn, from ēōs — more at east

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enzymology

eo-

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Style

“EO.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/EO. Accessed 26 Mar. 2026.

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EO

abbreviation

combining form

Word History

Browse Nearby Words

Cite this Entry

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