archangel (n.)

“an angel of the highest order,” late 12c., from Old French archangel (12c.) or directly from Late Latin archangelus, from New Testament Greek arkhangelos “chief angel,” from arkh- “chief, first” (see archon) + angelos (see angel). Replaced Old English heah encgel.

Source: O
https://www.etymonline.com
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