Rare kanji spelling for bedsore; the more common medical term is 褥瘡 (じょくそう).
Variant kanji form; even rarer than 褥傷.
Compound of 褥 (じょく, 'bedding, mattress') and 傷 (しょう, 'wound, injury'). The exact historical derivation is uncertain; the spelling is conventionally associated with the meaning 'bedsore'.