bacterioagglutinin

Etymology tree
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 *h₂éd
Proto-Italic *ad
Proto-Italic *ad-
Latin ad-
Proto-Indo-European *gleyH-
Proto-Indo-European *glóh₁ytn̥
Proto-Italic *gloiten
Latin glūten
Latin glūtinō
Latin agglūtinō
Latin agglūtinātuslbor.
English agglutinate
Proto-Indo-European *-nós
Proto-Indo-European *-iHnos
Proto-Italic *-īnos
Latin -īnusder.
Old French -inbor.
Middle English -in
English -ineclip.
English -in
English agglutinin
English bacterioagglutinin
From bacterio- + agglutinin.