Meaning of ARCH- in English

ARCH-

[arch-] prefix [ME arche-, arch-, fr. OE & OF; OE arce-, fr. LL arch- & L archi-; OF arch-, fr. LL arch- & L archi-, fr. Gk arch-, archi-, fr. archein to begin, rule; akin to Gk arche beginning, rule, archos ruler] 1: chief: principal "archfiend"

2: extreme: most fully embodying the qualities of the kind "archconservative"

[2]arch- --see archi-

Merriam-Webster English vocab.      Английский словарь Merriam Webster.