köken: From Middle High German kīl, from Old High German kīl, from earlier *kīdla-, from the same root as Proto-West Germanic *kīnan (“to split; crack”). Cognate with Vilamovian kajł.
köken: From Old Galician-Portuguese cunna, cuna, from Vulgar Latin *cunea, from Latin cuneus, from Proto-Indo-European *h₂ḱū (“sting”). Compare Spanish cuña.
wedge (simple machine) · wedge (five-sided polyhedron) · wedge (something that creates a division)
çekim: çoğul kiilat · tamlayan kiilan
köken: Borrowed from Middle Low German kīl (“wedge”), possibly but not necessarily through Swedish kil (“wedge”). Even an older Proto-Germanic borrowing has been suggested, but this runs into phonetic difficulties (the Low German word derives from earlier *kīþla-).
Uncertain root, apparently with the suffix -eus. Various problematic comparisons to either Proto-Indo-European *h₂eḱ- (“sharp”) or *ḱúH- (“spike; sting”) (compare Latin culex (“mosquito”), Avestan 𐬯𐬏𐬐𐬁 (sūkā, “needle”), Sanskrit शूक (śūka, “spike; bristle; insect sting”), शूल॑ (śū́la, “spear; stake”) etc.) have been unfruitful; a long vowel (*cūneus) would be expected in the latter case, and the…