eubacterial

Etymology tree
Proto-Indo-European *h₁wes-
Proto-Indo-European *-us
Proto-Indo-European *h₁wésus?
Proto-Indo-European *h₁es-?
Proto-Indo-European *h₁su-
Proto-Hellenic *ehu-
Ancient Greek ἐΰς (eǘs)
Ancient Greek εὖ (eû)
Ancient Greek εὐ- (eu-)der.
New Latinder.
taxonomic name eu-
Ancient Greek βακτηρία (baktēría)
Proto-Indo-European *-yósder.
Ancient Greek -ῐος (-ĭos)?
Ancient Greek -ιον (-ion)
Ancient Greek βακτήριον (baktḗrion)der.
taxonomic name Bacteria
taxonomic name Eubacteria
Proto-Indo-European *h₂el-der.?
Proto-Italic *-ālis
Latin -ālisbor.
Old French -albor.
▲
Latin -ālis
Old French -elbor.
▲
Latin -ālisbor.
Middle English -al
English -al
English eubacterial
From taxonomic name Eubacteria + English -al.