English

kidneyshell

From kidney + shell.

A compound of kidney + shell

Middle English kideney

Proto-Indo-European *(s)kelH- ‘to cut, split’

Proto-Germanic *skaljō ‘shell, husk’

Proto-West Germanic *skallju

Old English sċiell

Middle English schelle

English shell

Today it means

noun Any of various freshwater mussels in the genus Ptychobranchus.

Language periods are conventional ranges, not dates for this word.

Etymograph / kidneyshell