cefapirin

Etymology tree
Translingual Cephalosporium
Proto-Indo-European *-nós
Proto-Indo-European *-iHnos
Proto-Italic *-īnos
Latin -īnusder.
Old French -inbor.
Middle English -in
English -ineclip.
English -in
English cephalosporin
Proto-Indo-European *-ikos
Proto-Italic *-ikos
Latin -icuslbor.
Old French -iquebor.
Middle English -ik
English -ic
English cephalosporanic
German Pyridinbor.
English pyridine
Proto-Indo-European *swel-der.?
Ancient Greek ῡ̔́λη (hū́lē)der.
Frenchder.
English -yl
English pyridinyl
English cefapirin
From cepha(losporanic acid) + pyr(id)in(yl).