disposal n.

late 14c., disposen, "set in order, place in a particular order; give direction or tendency to; incline the mind or heart of," from Old French disposer (13c.) "arrange, order, control, regulate" (influenced in form by poser "to place"), from Latin disponere "put in order, arrange, distribute," from dis- "apart" (see dis-) + ponere "to put, place" (past participle positus; see position (n.)). Related: Disposed; disposing.

suffix forming nouns of action from verbs, mostly from Latin and French, meaning "act of ______ing" (such as survival, referral), Middle English -aille, from French feminine singular -aille, from Latin -alia, neuter plural of adjective suffix -alis, also used in English as a noun suffix. Nativized in English and used with Germanic verbs (as in bestowal, betrothal).