Meaning

noun a formal association of people with similar interests

verb decorate with, or as if with, gold leaf or liquid gold

originFrom Middle English gilden, gulden, from Old English gyldan (“to gild, to cover with a thin layer of gold”), from Proto-West Germanic *gulþijan, from Proto-Germanic *gulþijaną, from Proto-Germanic *gulþą (“gold”).

Etymology from Wiktionary, CC BY-SA 3.0