Where does “chymnay” come from?

chymnay (Middle English) comes from Anglo-Norman chimenee, from Old French cheminee, from Latin camināta, from Latin camera, from Ancient Greek καμάρα, from Proto-Iranian kamarā-, from Proto-Iranian kamárati, from Proto-Indo-Iranian *kmárati — to bend, to curve.

Ancestry of “chymnay”, step by step

StepLanguageWordMeaning
1Anglo-Normanchimenee
2Old Frenchchemineechimney
3Latincaminātaroom with a chimney, living room, parlour
4LatincameraA chamber in its various senses, "including";...
5Ancient GreekκαμάραAnything with an arched cover such as a covered...
6Proto-Iraniankamarā-something curved
7Proto-Iraniankamárati
8Proto-Indo-Iranian*kmárati
9Proto-Indo-Europeankh₂em-to bend, to curve
Every word from Proto-Indo-European kh₂em-Every word from Proto-Indo-Iranian *kmáratiEvery word from Proto-Iranian kamárati