The Proto-Indo-European word *h₂enk-
Word *h₂enk-
Meaning angle

Comments
Gm. ango/, Osset. ængur, Skr. aṅ kas, Lat. ancus, Lith. anka, Ltv. āķis, Gk. agkōn, Russ. ugol, ON angi, Av. aṅ kupəsəmna, Welsh anghad, Ir. ēcath/, Hitt. hink