Where does “-floxacin” come from?

-floxacin (English) comes from English norfloxacin, from English nor-, from English normal, from Latin normālis, from Latin nōrma, from Ancient Greek γνώμων, from Ancient Greek γιγνώσκω, from Proto-Indo-European ǵn̥h₃sḱéti — to know.

Ancestry of “-floxacin”, step by step

StepLanguageWordMeaning
1EnglishnorfloxacinA synthetic fluoroquinolone antibiotic structurally related to nalidixic acid, which is used topically to treat conjunctivitis and orally for the treatment of bacterial infections of the urinary tract; 1-ethyl-6-fluoro-1,4-dihydro-4-oxo-7-(1-piperazinyl)-3-quinolinecarboxylic acid, C16H18FN3O3
2Englishnor-a compound derived from another by removal of a...
3EnglishnormalAccording to norms or rules or to a regular...
4Latinnormālisperpendicular, square, with right angles
5Latinnōrmaa carpenter’s square
6Ancient Greekγνώμωνinterpreter, discerner; carpenter's square;...
7Ancient GreekγιγνώσκωI am aware of; I perceive, observe, know, learn;...
8Proto-Indo-Europeanǵn̥h₃sḱétito recognise
9Proto-Indo-Europeanǵneh₃-to know

Words derived from “-floxacin

Every word from Proto-Indo-European ǵneh₃-Every word from Proto-Indo-European ǵn̥h₃sḱétiEvery word from Ancient Greek γιγνώσκω