An Etymological Dictionary of Astronomy and Astrophysics

Relating to or causing divergence. Gowing away in different directions from a common point or path.
Math.: Failing to approach a limit.

Etymology (EN): M.L. divergent-, stem of divergens pr.p. of divergere, from → di- “apart,” variant of → dis- + vergere “to bend, turn, incline,” from PIE *werg- “to turn,” from base *wer- “to turn, bend” (cf. L. vertere “to turn,” Av. var ət- “to turn,” Mod.Pers. gard, gardidan “to turn,” Skt. vartate “turns round, rolls,” Gk. rhatane “stirrer, ladle,” Ger. werden, O.E. weorðan “to become.”

Etymology (PE): Vâgerâ, agent noun from vâgerâyidan,
→ diverge + noun suffix -i.