elbow is kynädo

kynädo = elbow (noun) (some things Google found for "kynado": a rare term; user names; nickname for a toddler boy; similar KYNAR 500 PVDF resin is used in high-end paints for metals)

Word derivation for "elbow"
Basque = ukondo, Finnish = kyynärpää
Miresua = kynädo

In Alice's Adventures in Wonderland, in the Mad Tea-Party chapter, the March Hare and the Hatter had the sleeping Dormouse sitting between them, and they "were using it as a cushion, resting their elbows on it".

By the way, the plural, elbows, would be kynädot.