訓 こお(る),こご(える),こご(る),い(てる),し(みる) ・ 音 トウ
Sino-Vietnamese: đống
The ice radical 冫 gives the meaning and 東 the sound: so cold that things freeze. Sino-Vietnamese đống, as in lãnh đống (frozen).
Stroke data: KanjiVG (CC BY-SA 3.0) — kanjivg.tagaini.net
寒さで池が凍った。 (さむさでいけがこおった)
The pond froze because of the cold.