extrabacterially

Etymology tree
Proto-Indo-European *h₁éǵʰ
Proto-Indo-European *-s
Proto-Indo-European *h₁éǵʰs
Proto-Indo-European *-teros
Proto-Indo-European *h₁eǵʰsteros
Proto-Italic *eksteros
Latin exter
Latin extrā
English extra-
Ancient Greek βακτηρία (baktēría)
Proto-Indo-European *-yósder.
Ancient Greek -ῐος (-ĭos)?
Ancient Greek -ιον (-ion)
Ancient Greek βακτήριον (baktḗrion)bor.
New Latin bactēriabor.
English bacteria
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 bacterial
Proto-Indo-European *leyg-der.
Proto-Germanic *līkąder.
Proto-Germanic *-līkaz
Proto-Germanic *-ê
Proto-Germanic *-līkê
Proto-West Germanic *-līkē
Old English -līċe
Middle English -ly
English -ly
English bacterially
English extrabacterially
From extra- + bacterially.