inter- Word Origin

  1. a prefix occurring in loanwords from Latin, where it meant “between,” “among,” “in the midst of,” “mutually,” “reciprocally,” “together,” “during” (intercept; interest); on this model, used in the formation of compound words (intercom; interdepartmental).

Origin of inter- Middle English Latin (in some words replacing Middle English entre- Middle French Latin inter-), combining form of inter (preposition and adv.); see interior Can be confusedinter- intra- British Dictionary definitions for inter- inter- prefix

  1. between or amonginternational
  2. together, mutually, or reciprocallyinterdependent; interchange

Word Origin for inter- from Latin Word Origin and History for inter-

Latin inter (prep., adv.) “among, between, betwixt, in the midst of,” from PIE *enter “between, among” (cf. Sanskrit antar, Old Persian antar “among, between,” Greek entera (plural) “intestines,” Old Irish eter, Old Welsh ithr “among, between,” Gothic undar, Old English under “under”), a comparative of *en “in” (see in). Also in certain Latin phrases in English, such as inter alia “among other things.” A living prefix in English from 15c. Spelled entre- in French, most words borrowed into English in that form were re-spelled 16c. to conform with Latin except entertain, enterprise.

inter- in Medicine inter- pref.

  1. Between; among:interdental.
  2. In the midst of; within:interoceptor.

inter- in Science inter-

  1. A prefix meaning “between” or “among,” as in interplanetary, located between planets.
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