refined (adj) – showing high levels of quality, purity, or taste; elegant or cultured
BREAKDOWN: RE- (again) + FIN- (end)
— refinement is a show of style or elegance; a fine or subtle distinction or improvement
— a refinery is a place used to produce refined products
This word is built on the root FIN-, which means end, last, or limit.
Common FIN- words include confine, define, final, finance, fine, finish, and infinity.
More esoteric FIN- words include finery, financier, paraffin, and superfine.