English word kidney comes from Proto-Germanic *neurô (Kidney. Testicle.)
| Dictionary entry | Language | Definition |
|---|---|---|
| *neurô | Proto-Germanic (gem-pro) | Kidney. Testicle. |
| *nēora | Old English (ang) | |
| kidenere | Middle English (enm) | |
| kidenei | Middle English (enm) | |
| kidney | English (en) | (figuratively, dated) Constitution, temperament, nature, type, character, disposition. (usually used of people). (obsolete, slang) A waiter.. An organ in the body that filters the blood, producing urine.. This organ (of an animal) cooked as food. |