ethanoic

Etymology tree
Proto-Indo-European *h₂eydʰ-der.
Proto-Hellenic *áitʰō
Ancient Greek αἴθω (aíthō)
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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
English -oic
English ethanoic
From ethane + -oic.