noun
rerun slot; encore hour
Wasei-eigo term for a TV programming slot where popular shows are rebroadcast, often late at night or during off-peak hours.
wasei-eigo (Japanese-coined English), from encore hour
深夜のアンコールアワーで、先週のドラマが再放送されていた。
Last week's drama was rebroadcast during the late-night encore hour.
Variant with interpunct, sometimes used for clarity.
再放送 is the general term for a rebroadcast or rerun, while アンコールアワー specifically refers to a scheduled time slot for such reruns.
Wasei-eigo from English 'encore' + 'hour', referring to a TV rerun slot.