Meaning

noun any of various antibiotics obtained from Penicillium molds (or produced synthetically) and used in the treatment of various infections and diseases

originEtymology tree Proto-Indo-European *pes- Proto-Indo-European *pes-ni-s Proto-Italic *peznis Latin pēnis Proto-Indo-European *-lós Proto-Indo-European *-elós Proto-Italic *-elos Proto-Italic *-kelos Latin -culus Latin pēniculus ▲ Proto-Italic *-elos Latin -lus Latin -illum Latin pēnicillum Translingual -ium Translingual Penicillium Proto-Indo-European *-nós Proto-Indo-European *-iHnos Proto-Italic…

Etymology from Wiktionary, CC BY-SA 3.0