訓 や ・ 音 シ
Sino-Vietnamese: thỉ
Pictures an arrow with a head and fletching; Hán Việt thỉ as in the idiom tang bồng hồ thỉ (bow and arrows — a man's great ambition).
Stroke data: KanjiVG (CC BY-SA 3.0) — kanjivg.tagaini.net
出かけようとした矢先に雨が降り出した。 (でかけようとしたやさきにあめがふりだした)
Just as I was about to go out, it started to rain.