köken: Ultimately a derivation of Proto-Turkic *kol (“upper arm”), whence also Azerbaijani qol (“arm”) with the addition of the suffix -tuq, which is otherwise not attested in Azerbaijani. Cognate with Turkish koltuk.
köken: From *qoltuq "armpit". Note that Chuvash and Sakha do not present any traces of this etymon, and use a different term for "armpit". Cognate with Bashkir ҡултыҡ (qultıq, “armpit”), Kyrgyz колтук (koltuk, “armpit”), Uzbek qoʻltiq (“armpit”), Uyghur قولتۇق (qoltuq, “armpit”), Khakas холтых (xoltıx, “armpit”), Tuvan колдук (kolduk, “armpit”), Turkish koltuk (“armchair”), Turkish koltuk altı…
köken: From *qoltuq "armpit". Note that Chuvash and Sakha do not present any traces of this etymon, and use a different term for "armpit". Cognate with Kazakh қолтық (qoltyq, “armpit”), Kyrgyz колтук (koltuk, “armpit”), Uzbek qoʻltiq (“armpit”), Uyghur قولتۇق (qoltuq, “armpit”), Khakas холтых (xoltıx, “armpit”), Tuvan колдук (kolduk, “armpit”), Turkish koltuk (“armchair”), Turkish koltuk altı…
köken: From Middle Dutch ocsele, either from Old Dutch *uokusala or borrowed from Old Frisian axele, from Proto-Germanic *ahslō (“shoulder”), from Proto-Indo-European *aḱs- (“armpit”). Cognate with English axle (“armpit”), German Achsel (“armpit”), Latin axilla (“armpit”), Latin axis (“axle”), Greek άξονας (áxonas, “axle”), Sanskrit अक्ष (ákṣa, “axle”), Sanskrit कक्ष (kakṣá, “room, armpit”), Russian ось…
Inherited from Old Spanish sobaco, of uncertain or obscure origin. Possibly from a crossing of Late Latin or Vulgar Latin subāla (from sub + āla (“wing; armpit”); cf. Romanian subsuoară) with subhircus (from hircus (“male goat; smell of armpits”). Less likely from a Vulgar Latin *subbracchium, from sub- + bracchium. Found uniquely in Ibero-Romance languages. Compare Portuguese sovaco, Asturian…