אָבֵל III, (foreg.) to mourn. Hithpa. הִתְאַבֵּל, Nithpa. נִתְאַבֵּל to observe mourning ceremonies, to be bound to mourn, be an אָבֵל. M. Kat. 20ᵇ כל שמִתְאַבֵּל עליו מתא׳ עמו over whom one is bound to mourn, with him he must mourn, i.e. one must share in the mourning ceremonies of a relation at whose death he would have to observe mourning; a. fr.—Tanḥ. Sh’mini, 1 נתא׳. Pesik. Sos p. 148ᵇ; a. fr.