| 1 | Norwegian Bokmål | ski | a ski |
| 2 | Danish | ski | — |
| 3 | Norwegian Nynorsk | ski | a ski |
| 4 | Old Norse | skíð | stick of wood, snowshoe; split wood, wooden... |
| 5 | Proto-Germanic | skīdą | piece of wood, billet, board |
| 6 | Proto-Indo-European | sḱēy- | to shine; to shimmer; shadow; luster, gloss,... |
| 7 | Proto-Germanic | skaidą | separation, distinction |
| 8 | Proto-Indo-European | skÁit- | to cut, part, spearate, divide; to cut, part,... |