訓 ほそ(い),こま(かい) ・ 音 サイ
Sino-Vietnamese: tế
糸 (silk thread) for meaning with 田 for sound: silk is already fine, and split finer still. Thin, slender, and hence detailed, minute.
Stroke data: KanjiVG (CC BY-SA 3.0) — kanjivg.tagaini.net
細かいお金がありますか。 (こまかいおかねがありますか)
Do you have small change?