Middle English word ske comes from Proto-Indo-European *(s)ḱew-, Proto-Indo-European *(s)keu-, Proto-Indo-European *(s)k(')ew-, and later Proto-Germanic *skiwô (Cloud. Cloud cover, haze. Sky.)
| Dictionary entry | Language | Definition |
|---|---|---|
| *(s)ḱew- | Proto-Indo-European (ine-pro) | |
| *(s)keu- | Proto-Indo-European (ine-pro) | |
| *(s)k(')ew- | Proto-Indo-European (ine-pro) | |
| *skiwô | Proto-Germanic (gem-pro) | Cloud. Cloud cover, haze. Sky. |
| ský | Old Norse (non) | Cloud. |
| ske | Middle English (enm) |