[Middle English affabil, from Old French affable, from Latin affābilis, from affārī, to speak to : ad-, ad- + fārī, to speak; see bhā-2 in Indo-European roots.] af'fa·bil'i·ty n., af'fa·bly adv.
c.1475 (implied in affability), from O.Fr., from L. affabilis "kind, friendly," lit. "he who can be easily spoken to," from affari "to speak to," from ad- "to" + fari "to speak" (see fame).