Jaasu

JAASU (jā'ă-sū, Heb. ya‘ăsu). One of a number of captives who married alien women but put them away when a council headed by Ezra demanded that they do so (Ezra.10.16-Ezra.10.19, Ezra.10.37).

International Standard Bible Encyclopedia (1915)

(the Revised Version (British and American) and Kethibh, ya`asu, meaning uncertain); (the Revised Version margin and Qere, ya`asay), (the King James Version): In Ezr 10:37, one of those who had married foreign wives. Septuagint translates the consonantal text as a verb, kai epoiesan, "and they did." 1 Esdras 9:34 has "Eliasis."