From Proto-Albanian*(a)ngul, from Proto-Indo-European*ank 'to bend, bow, *flex; wangle; turn; curve, snake coil, anchor'. Compare Latin ungula(“a hoof, claw, talon”), Old High German angul(“fish hook, sting”), Tocharian B añcöl(“bow, arch, curve”), Old Norse Ǫngull(“angle, bay”). Related to ngel. Alternatively from Proto-Albanian* ̊gull-, from Proto-Indo-European*gwelH- 'to prick'. Cognate to Lithuanian gélti(“to prick”), gìlti(“to get pained, ache”). A formation with the prefix (a)n-.