-bactam

Etymology tree Proto-Semitic *bayt- Phoenician 𐤁𐤕 (bt)bor. Ancient Greek βῆτᾰ (bêtă)bor. English beta Latin lacder. English lacto- German Ketonbor. English ketone English -one English lactone Egyptian jmnbor. Ancient Greek Ᾰ̓́μμων (Ắmmōn)bor. Latin Ammōn Latin ammoniacusder. English ammonia Proto-Indo-European *dʰeh₁-der. Latin -idusder. English -ide English amide English lactam English beta-lactam Proto-Indo-European *dwóh₁ Proto-Indo-European *dwísder. Ancient Greek διά (diá) Ancient Greek δῐᾰ- (dĭă-) Proto-Indo-European *steh₂- Proto-Indo-European *stísteh₂ti Proto-Hellenic *hístāmi Ancient Greek ῐ̔́στημῐ (hĭ́stēmĭ) Ancient Greek δῐῐ̈́στημῐ (dĭĭ̈́stēmĭ) Ancient Greek δῐᾰ́στᾰσῐς (dĭắstăsĭs) English diastase English -ase English beta-lactamase English -bactam Contraction of beta-lactamase.

来源：wiktionary