Liberal Dictionary English Dictionary
- a combining form meaning “within,” used in the formation of compound words: endocardial.
combining form
- inside; withinendocrine
word-forming element meaning “inside, within, internal,” comb. form of Greek endon “in, within,” literally “in the house of,” from en “in” (see en- (2)) + base of domos “house” (see domestic).
pref.
- Inside; within:endometrium.
- A prefix meaning inside, as in endoskeleton.