derived from the Latin word arcus (bow; bow, arc, coil)

derived from the Latin word arcere (keep away, protect; ward, keep off, away)

derived from the Greek word arche, ἀρχή ((properly abstract) a commencement, or (concretely) chief (in various applications of order, time, place, or rank))

using the Late Greek prefix archi-, ἀρχι-