Horned
Old English, of Germanic origin; related to Dutch hoorn and German Horn, from an Indo-European root shared by Latin cornu and Greek keras .
wiktionary
From Middle English horned, hornyd, from Old English hyrned, ġehyrned(“having horns; horned”), from Proto-Germanic *hurnidaz(“horned”), past participle of Proto-Germanic *hurnijaną(“to horn; provide or fit with horns”); equivalent to horn(“noun”) + -ed. Cognate with Dutch gehoornd(“horned”), German gehörnt(“horned”), Danish hornede(“horned”).
See horn(verb).
etymonline
horned (adj.)
"furnished with horn or horns," Old English hyrned, from source of horn (n.). The modern word probably is a new formation in Middle English. From late 14c. in reference to Moses, and the horn-like rays of light, symbols of power, that appeared on his head as he descended Mount Sinai. From 1620s in reference to cuckolds. Horned toad is from 1766; horned question is "a dilemma" (1540s).
The HORNED TOAD is frightful ; his head half the size of his body ; his jaws open enormously ; his eye lids have the form of a pointed cone, which makes them seem armed with horns, wherein are his eyes. His feet have something the air of hands. [Francis Fitzgerald, "The General Genteel Preceptor," 1747]
