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1. Chief; highest; most important: archiepiscopal.
2. Earlier; primitive: archenteron.
[French archi- and Italian arci-, both from Latin archi-, from Greek arkhi-, arkh-, from arkhein, to begin, rule.]
a variant of arch-
a combining form with the general sense “first, principal,” prefixed to nouns denoting things that are earliest, most basic, or bottommost (archiblast; archiphoneme; architrave); or denoting individuals who direct or have authority over others of their class, usu. named by the base noun (archimandrite; architect).Also, esp. before a vowel,arch-. Compare arch-1, arche-.
[< Greek, comb. form akin to archḗ beginning, árchos leader, árchein to be the first, command]