The story
From i(so)bu(tyl) + -fenac (“phenyl acetate”).
Etymology from Wiktionary, CC BY-SA 4.0.
Today it means: The carboxylic acid 4-isobutylphenylacetic acid once used in the treatment of rheumatoid arthritis Full definition →
From i(so)bu(tyl) + -fenac (“phenyl acetate”).
Etymology from Wiktionary, CC BY-SA 4.0.