my-

combining form

variants or myo-

: muscle

myoglobin

: muscle and

myoneural

Word History

Etymology

New Latin, from Greek, from mys mouse, muscle — more at mouse entry 1

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Style

“My-.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/my-. Accessed 10 Jun. 2026.

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Kids Definition

adjective

(ˈ)mī,

mə

: of or relating to me or myself

my head

kept my promise

my injuries

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my-

combining form

Word History

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Cite this Entry

Kids Definition

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