-philism

Etymology tree
Proto-Indo-European *bʰil-o-s
Ancient Greek φίλος (phílos)bor.
Latin -philalbor.
English -phile
Proto-Indo-European *-id-
Proto-Indo-European *-yéti
Proto-Indo-European *-idyéti
Proto-Hellenic *-íďďō
Ancient Greek -ῐ́ζω (-ĭ́zō)
Proto-Indo-European *-mos
Proto-Indo-European *-mós
Ancient Greek -μός (-mós)
Ancient Greek -ισμός (-ismós)der.
English -ism
English -philism
From -phile + -ism.