English
cyclotorsion
From cyclo- + torsion.
Proto-Indo-European *terkʷ- ‘to turn, spin’
…
Latin tortiō ‘torment, torture’
Late Latin torsiōnem
Middle French torsion
Middle English torcion
English torsion
Today it means
noun The degree of rotation of an eye around its visual axis
Language periods are conventional ranges, not dates for this word.
Etymograph / cyclotorsion