etanidazole

Etymology tree
Proto-Indo-European *h₂eydʰ-der.
Proto-Hellenic *áitʰō
Ancient Greek αἴθω (aíthō)
▲
Ancient Greek ᾱ̓ήρ (āḗr)influ.?
Ancient Greek αἰθήρ (aithḗr)der.
Latin aethērbor.
German Äther
German Ether
Proto-Indo-European *swel-der.?
Ancient Greek ῡ̔́λη (hū́lē)der.
German -yl
German Ethylbor.
English ethyl
English eth-
Proto-Indo-European *-nós
Proto-Italic *-nos
Latin -nus
Latin -ānusder.
English -ane
English ethane
Proto-Indo-European *médʰu
Proto-Hellenic *métʰu
Ancient Greek μέθυ (méthu)
▲
German -yl
German Methylbor.
English me(thyl)
Egyptian nṯrjder.
Semiticbor.
Ancient Greek νῐ́τρον (nĭ́tron)
English nitro-
Egyptian jmnbor.
Ancient Greek Ᾰ̓́μμων (Ắmmōn)bor.
Latin Ammōn
Latin ammoniacusder.
English ammonia
Proto-Indo-European *dʰeh₁-der.
Proto-Italic *-iðos
Latin -idusder.
English -ide
English amide
English imide
Proto-Indo-European *né
Proto-Indo-European *n̥-
Proto-Hellenic *ə-
Ancient Greek ᾰ̓- (ă-)
Proto-Indo-European *gʷeyh₃-
Proto-Indo-European *-wós
Proto-Indo-European *gʷih₃wós
Proto-Indo-European *gʷíh₃weti
Proto-Hellenic *gʷyṓw-ō
Proto-Hellenic *ďṓwō
Ancient Greek ζώω (zṓō)
Ancient Greek ζῶ (zô)
Ancient Greek -ᾱ (-ā)
Ancient Greek -η (-ē)
Ancient Greek ζωή (zōḗ)
French azotebor.
English azote
English azo-
English -ole
English azole
English imidazole
English -tronidazole
English metronidazole
English -nidazole
English etanidazole
From etha(ne) + -nidazole (“metronidazole derivative”).