noun
notch in a train ticket; punch mark
Rare term for the small notch or hole left by a ticket punch, especially on old-style train tickets. Mostly encountered in historical or railway-enthusiast contexts.
昔の切符には、改札で鋏痕が入れられた。
Old tickets had a punch mark put in them at the ticket gate.
Refers to the ticket punch itself, while 鋏痕 is the resulting notch or mark.
Compound of 鋏 (hasami, 'scissors' or 'punch') and 痕 (kon, 'mark' or 'scar'), literally 'punch mark'. The reading きょうこん is a Sino-Japanese on'yomi combination.