noun
A formal or literary term for a scar left on the skin after a wound heals. In everyday speech, 傷跡 (きずあと) is more common.
彼の腕には古い創痕が残っている。
An old scar remains on his arm.
傷跡 is the common, everyday word for 'scar'. 創痕 is a more formal or literary synonym.
Compound of 創 (そう, 'wound') and 痕 (こん, 'mark' or 'trace'). The exact historical derivation is uncertain, but the spelling is conventionally associated with the meaning 'scar'.