The story
- French · derived fromcours
- Japanese · derived fromクール
- English todaycour
Back-formation from cours from Japanese クール (kūru), from French cours. Attestable in English among the anime community from at least 2007. Anime News Network's Lexicon Encyclopedia dictates the original cours to be unchanged in singular form, though that has been reanalyzed as a plural form.
Words from the same roots
Etymology from Wiktionary, CC BY-SA 4.0.