partialize
/ˈpɑːʃ(ə)lʌɪz/ /ˈpɑːʃəlʌɪz/(also partialise)
verb
[with object] To make partial as opposed to universal; to break up into parts.
Origin
Late 16th century (in an earlier sense). From partial and -ize, after Middle French, French partialiser to favour a party (reflexive; 1559), to show bias, to introduce factions.