| 1 | Old English | hlið | Alternative spelling of hliþ |
| 2 | Proto-Germanic | hlidą | lid, cover |
| 3 | Proto-Indo-European | ḱlitós | covered, sheltered; leaning, sloped, inclined |
| 4 | Proto-Indo-European | ḱley- | to shelter, cover; to lean, slope, incline |
| 5 | Proto-Indo-European | ḱel- | to cover; to incline |