apportionableadj.

/əˈpɔːʃənəb(ə)l/Etymology: < apportion v. + -able suffix.
rare.
the mind > possession > giving > distributing or dealing out > [adjective] > assigned or allotted > able or liable to be
1628 E. Coke 148 a Such Rent services are apportionable by Common law.
This entry has not yet been fully updated (first published 1885; most recently modified version published online January 2018).