| 1 | Proto-Germanic | hrempaną | to bend, curve, make waves, wrinkle; to curve,... |
| 2 | Proto-Indo-European | (s)kreb- | to turn; to touch; to turn, bend, shrink, rotate,... |
| 3 | Proto-Indo-European | (s)ker- | to cut off; to turn, bend |
| 4 | Proto-Indo-European | sek- | to cut, cut off, sever |