訓 つか(れる),-づか(れ),つか(らす) ・ 音 ヒ
Sino-Vietnamese: bì
The sickness radical 疒 gives the meaning and 皮 gives the sound: a body worn out as if ill. Sino-Vietnamese bì, as in bì quyện (fatigue).
Stroke data: KanjiVG (CC BY-SA 3.0) — kanjivg.tagaini.net
仕事の疲れが取れない。 (しごとのつかれがとれない)
I can't shake off the tiredness from work.