برع

فَعَلَهُ مُتَبَرِّعًا فعله متبرعا He did it without its being incumbent, or obligatory, on him; supererogatorily: or gratuitously, unasked, or unbidden: or disinterestedly; not seeking, or desiring, a compensation: syn. مُتَطَوِّعًا. (S, K.)