intra-

prefix
in·​tra- | \ˈin-trə, -(ˌ)trä\

Definition of intra- 

1a : within intragalactic

b : during intraday

c : between layers of intradermal

2 : intro- an intramuscular injection

History and Etymology for intra-

Late Latin, from Latin intra, from Old Latin *interus, adjective, inward — more at interior

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intra-

prefix

English Language Learners Definition of intra-

: within something

: in or into something

intra-

prefix

Legal Definition of intra- 

1 : within intrastate

2 : during intraday

More from Merriam-Webster on intra-

Britannica English: Translation of intra- for Arabic Speakers

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