conventionalism; old style; outdated convention
Rare literary noun referring to old-fashioned, conventional ways or styles. Mostly encountered in older texts or formal criticism.
His writing has not broken free from old conventions.
clinging to old customs; adhering to old traditions
Compound of 旧 (old) and 套 (convention, style). The exact historical derivation is uncertain; it is a Sino-Japanese word used in literary contexts.