The story
From phe(nyl) + (iso)bu(tyl) + x(anthine) o(xidase) + -stat (“enzyme inhibitor”).
Etymology from Wiktionary, CC BY-SA 4.0.
febuxostat
Today it means: A urate-lowering drug (trademark Uloric), an inhibitor of xanthine oxidase that is indicated for use in the treatment of hyperuricemia and chronic gout. Full definition →