The story
From [Term?] + -bactam (“β-lactamase inhibitor”).
Etymology from Wiktionary, CC BY-SA 4.0.
nacubactam
Today it means: A bridged diazabicyclooctane β-lactamase inhibitor [(1R,2S,5R)-2-[(2-aminoethoxy)carbamoyl]-7-oxo-1,6-diazabicyclo[3.2.1]octan-6-yl]oxidanesulfonic acid. Full definition →