訓 す(む),す(ます) ・ 音 サイ
漢越音: tế
Water 氵 gives the original sense of crossing a river; 斉 supplies the sound sai. Get everyone safely across and the matter is finished, settled. Core of keizai (economy).
Stroke data: KanjiVG (CC BY-SA 3.0) — kanjivg.tagaini.net
宿題が済みました。 (しゅくだいがすみました)
I have finished my homework.