guitarist

Etymology tree
Ancient Greek κῐθᾰ́ρᾱ (kĭthắrā)bor.
Aramaic קיתראbor.
Arabic قِيثَارَة (qīṯāra)bor.
Old Spanish guitarra
Spanish guitarrabor.
English guitar
Proto-Indo-European *-id-
Proto-Indo-European *-yéti
Proto-Indo-European *-idyéti
Proto-Hellenic *-íďďō
Ancient Greek -ῐ́ζω (-ĭ́zō)
Proto-Hellenic *-tās
Ancient Greek -τής (-tḗs)
Ancient Greek -ῐστής (-ĭstḗs)bor.
Latin -istader.
Old French -istebor.
Middle English -ist
English -ist
English guitarist
From guitar + -ist.