GT D Exod7:11 :ועֵבדו להוד אֵינוּן חָרָשֵהֹן דמצריֵי בְחֶרְשֵהוֹן‏ : the Egyptian sorcerers also did it with their sorcery
See the entire entry for ḥa/eršīn, ḥa/eršayyā n.m.pl. magic arts