Musician
来自Big Physics
late Middle English: from Old French musicien, from Latin musica (see music).
wiktionary
From Middle English musician, musicien, from Old French musicien(“musician”). Equivalent to music and -ian.
etymonline
musician (n.)
late 14c., musicien, "one skilled in music," from Old French musicien (14c.), or a native formation from music + -ian. Sense of "professional musical performer" is attested from mid-15c.