The Proto-Indo-European word *kam-er-
Word *kam-er-
Meaning bend
See also Proto-Indo-European: *kamareha ‘vault’
Synonyms *geis-, *bʰeidh-, *h₂enk-, *hₐenk-, *kleng-, *weng-, *leug-, *nem-, *swe(n)g-

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

Other words that might be of interest
*ank-2, ang- ‘to bend, bow, curve, snake coil, anchor’, *derbʰ- ‘turn, twist’, *geu-~gehₓu- ‘curve’, *keu(hₓ)- ‘curve’, *keu-k- ‘curve’, *trep- ‘turn’, *weig/k- ‘turn, yield’, *weip-~weib- ‘turn’, *wel- ‘turn, wind, roll’, *wert- ‘turn’, *seu- ‘turn’, *(s)kamb- ‘curve’, *slenk- ‘turn, twist (like a snake)’, *(s)neh₁- ‘twist, turn’