The story
A neologism mimicking the names of other antibiotics. By surface analysis, carbo- (“carbon”) + -mycin (“antibiotic”).
Etymology from Wiktionary, CC BY-SA 4.0.
carbomycin
Today it means: A crystalline macrolide antibiotic with the molecular formula C₄₂H₆₇NO₁₆, derived from the bacterium Streptomyces halstedii. Full definition →