naphthenic acid

Etymology tree
Akkadian napṭumbor.?
Old Persian *naftahbor.
Ancient Greek νάφθα (náphtha)bor.
Latin naphthabor.
English naphtha
English -ene
English naphthene
Proto-Indo-European *-ikos
Proto-Italic *-ikos
Latin -icuslbor.
Old French -iquebor.
Middle English -ik
English -ic
Proto-Indo-European *h₂eḱ-
Proto-Indo-European *-éh₁ti
Proto-Indo-European *-yeti
Proto-Indo-European *-éh₁yeti
Proto-Indo-European *h₂eḱéh₁yeti
Proto-Italic *akēō
Latin aceō
Proto-Indo-European *dʰeh₁-der.
Proto-Italic *-iðos
Latin -idus
Latin acidusbor.
French acidebor.
English acid
English naphthenic acid
From naphthene + -ic + acid.