Copyright © Philip M. Parker, INSEAD. Terms of Use.

| Language | Expression | English Translation or Definition |
| Calabrese | celu | sky. |
| Etruscan | celu | priestly title. |
| Quenya | celu | stream. |
| Sardinian (Campidanese) | celu | sky. |
| Sicilian | celu | sky. |
| Sindarin | celu | source, spring. |
| Welsh | celu | conceal, hide. |
Source: compiled by the editor from the definition of sky; see credits. | ||
Copyright © Philip M. Parker, INSEAD. Terms of Use.