1528, from Anglo-Fr.
abeiance "suspension," also "expectation (especially in a lawsuit)," from O.Fr.
abeance "aspiration, desire," noun of condition of
abeer "aspire after, gape" from
à "at" +
ba(y)er "be open," from L.
*batare "to yawn, gape" (see
abash). Originally in O.Fr. a legal term, "condition of a person in expectation or hope of receiving property;" it turned around in Eng. law to mean "condition of property temporarily without an owner" (1660). Root
baer is also the source of English
bay (2) "recessed space," as in "bay window."