Angelic

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late Middle English: from French angélique, via late Latin from Greek angelikos, from angelos (see angel).

wiktionary

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From Middle English angelik, aungillik, aungellike, (also angellich, aungellich > English angelly), from Old English anġelīċ, engellīċ, englelīċ, coalescing with Old French angélique, from Latin angelicus, from Ancient Greek ἀγγελικός(angelikós, “of or for a messenger”), from ἄγγελος(ángelos, “angel”). Equivalent to angel +‎ -ic.

etymonline

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angelic (adj.)

early 14c., "consisting of angels;" late 14c., "like or befitting an angel;" mid-15c., "pertaining to angels," from Old French angelique "angelic" (13c., Modern French angélique), from Latin angelicus, from Greek angelikos "angelic," from angelos (see angel). Sense of "wonderfully pure, sweet" is recorded from early 16c. Related: Angelically.