köken: From a Mongolic source, from Proto-Mongolic *solagai (“left”) – compare Mongolian солгой (solgoj, “left, left-handed”). The relationship of this Proto-Mongolic form to Proto-Turkic *sōl (“left”) is debatable – these two may be related native forms, or the Mongolic form may be a Turkic borrowing. Cognate with Kazakh солақай (solaqai, “left-handed”), Kyrgyz сологой (sologoy, “left-handed”), Kumyk…
left-hander, left-handed man (someone who is better with his left hand than with his right hand)
çekim: çoğul kreiļi · tamlayan kreiļa
köken: From Proto-Indo-European *sker-, *ker-, *kr̥- (“to turn, to bend”), changed to Proto-Baltic *krei-, with a suffix -r, giving rise to an adjective *kreiras > *kreilas (compare archaic adjective krails (“bent, crooked”)) and a noun *kreiris. The meaning evolved from “bent, crooked” to “not strong, clumsy, weaker, less good,” hence “left (hand),” as opposed to the “good,” “able” right hand, and then…