Old English arcebiscoprice, from archbishop + rice "realm, dominion, province," from Proto-Germanic *rikja "rule," from PIE root *reg- "move in a straight line," with derivatives meaning "to direct in a straight line," thus "to lead, rule."
archaism
archaistic
archangel
archangelic
archbishop
archbishopric
archdeacon
archdiocese
archduchess
archduke
arch-enemy