hingulîsk

ring, a small circular band, worn on a finger

From PIE root *(o)nogh "nail of the finger or toe",

Sanskrit anguri- "finger, toe",
Greek onyx "claw, fingernail",
Latin unguis "fingernail, claw",
Old Church Slavonic noga "foot," noguti "fingernail, claw",
Lithuanian naga "hoof," nagutis "fingernail"
Old Irish ingen,
Old Welsh eguin "fingernail, claw".

hingil (tits, nipple, finger...), çingil, zengil