myo-

a combining form meaning “muscle,” used in the formation of compound words:

myology.

Also, especially before a vowel, my-.

Origin

combining form representing Greek mŷs mouse, muscle

British Dictionary definitions for myo-

combining form

muscle: myocardium

Word Origin

from Greek musmuscle

Word Origin and History for myo-

before vowels my-, word-forming element meaning "muscle," from comb. form of Greek mys "muscle," literally "mouse" (see muscle (n.)).

myo- in Medicine

myo- or my-
pref.
Muscle: myograph.