The Proto-Indo-European word *slenk-
Word *slenk-
Meaning turn, twist (like a snake)
Synonyms *derbʰ-, *kleng-, *trep-, *weig/k-, *weip-~weib-, *wel-, *wert-, *seu-, *(s)neh₁-

Comments
Mallory J.P. and Adams D. (2006)