xenobacteriology

Etymology tree
Proto-Hellenic *ksénwos
Ancient Greek ξένϝος (xénwos)
Ancient Greek ξένος (xénos)der.
English xeno-
Ancient Greek βακτηρία (baktēría)
Proto-Indo-European *-yósder.
Ancient Greek -ῐος (-ĭos)?
Ancient Greek -ιον (-ion)
Ancient Greek βακτήριον (baktḗrion)bor.
New Latin bactērium
Ancient Greek -ο- (-o-)der.
Latin -o-bor.
English -o-
English bacterio-
Proto-Indo-European *leǵ-
Ancient Greek λόγος (lógos)
Proto-Indo-European *-h₂
Proto-Indo-European *-éh₂
Proto-Indo-European *-i-eh₂
Proto-Hellenic *-íā
Ancient Greek -ῐ́ᾱ (-ĭ́ā)
Ancient Greek -λογῐ́ᾱ (-logĭ́ā)bor.
Latin -logialbor.
French -logiebor.
English -logy
English bacteriology
English xenobacteriology
From xeno- + bacteriology.