Etymology Dictionary

ANGLE (1),  a bend, a corner.  (F.,—L.)   Chaucer has angles, C. T. Group F. 230; also angle, as a term of astrology (Lat. angulus), id. 263.—O.F. angle (mod. F. angle), an angle.—Lat. angulus, an angle. + Gk. ἀγκύλος, crooked.   From the same root as the next word.   Der. angul-ar, angul-ar-ly, angul-ar-i-ty; all from the Lat. angul-aris, which from angulus.

ANGLE (2),  a fishing-hook.  (E.)   In very early use.   A.S. angel, Mat. xvii. 27. + Dan. angel, a fishing-hook. + G. angel, the same.   Cf. Lat. uncus, a hook, Gk. ὄγκος, ἀγκών, a bend; Skt. anch, to bend.—✔AK, ANK, to bend, curve; Fick, i. 6.   From the same root comes the word above; also Anchor, q.v.   Der. angle, vb., angl-er, angl-ing.