訓 や(っつ) ・ 音 ハチ
漢越音: bát
Two strokes splitting apart, and its original sense was "divide". That is why 八 turns up inside 分 (divide) and 半 (half).
Stroke data: KanjiVG (CC BY-SA 3.0) — kanjivg.tagaini.net
八時に学校へ行きます。 (はちじにがっこうへいきます)
I go to school at eight o'clock.