English word clean comes from Proto-Indo-European *gle-, and later Proto-Germanic *klainiz (Shining, fine, splendid. Tender, precious.)
| Dictionary entry | Language | Definition |
|---|---|---|
| *gle- | Proto-Indo-European (ine) | |
| *gley- | Proto-Indo-European (ine) | to stick, smudge, to stick |
| *g(e)lēi- | Proto-Indo-European (ine) | gleaming |
| *glēy- | Proto-Indo-European (ine) | |
| *klainiz | Proto-Germanic (gem-pro) | Shining, fine, splendid. Tender, precious. |
| clæne | Old English (ang) | Clean. Clear. |
| clǣne | Old English (ang) | |
| clane | Middle English (enm) | |
| clean | English (en) | (aerodynamics) Allowing an uninterrupted flow over surfaces, without protrusions such as racks or landing gear.. (climbing, of a route) Ascended without falling.. (heading, behavioural) Free of immorality or criminality.. (heading, physical) Free of dirt or impurities or protruberances.. (health) Being free of sexually transmitted diseases (STDs).. (informal) Cool or neat.. (informal) Devoid [...] |