訓 すき,す(く),す(かす),ひま ・ 音 ゲキ,キャク,ケキ
Sino-Vietnamese: khích
The mound radical 阝 (earthen wall): a crack between walls, a gap; figuratively a rift between people.
Stroke data: KanjiVG (CC BY-SA 3.0) — kanjivg.tagaini.net
ドアの隙間から光が漏れる。 (ドアのすきまからひかりがもれる)
Light leaks through the gap in the door.