ОТДАВАТЬ/ОТДАТЬ ПОСЛЕДНИЙ ДОЛГ кому litVPsubj: humanusu. this WO to bid farewell to a dead person, usu. by attending his burial
X отдал последний долг Y-y - X paid his last respects to Y
X said a final (last) farewell to Y.
Причастившись и особоровавшись, он тихо умер, и на другой день толпа знакомых, приехавших отдать последний долг покойнику, наполняла наёмную квартиру Ростовых (Толстой 7). Having received communion and the final anointing, he died peacefully, and the following day the throng of acquaintances who came to pay their last respects to the deceased filled the house rented by the Rostovs (7a).