English
furbucillin
From fur(an) + (iso)bu(tyl) + -cillin (“6-aminopenicillanic acid derivative”).
Formed from furan + isobutyl + -cillin ‘6-aminopenicillanic acid derivative’
English furfural
English furan
Today it means
noun A penicillin antibiotic.
Language periods are conventional ranges, not dates for this word.
Etymograph / furbucillin