Akkadian

parkullu - seal-cutter (CAD P 519, AHw 834)

Probably from Sum. {bur.gul} “stonecutter, engraver” (PSD B 187). Judging from the correspondences Sum. b ~ Akk. p and Sum. g ~ Akk. k, Akk. parkullu must be an early loanword (before III).