メジャーデビュー

noun

major label debut

Refers to an artist's first release on a major record label, as opposed to an indie debut. Wasei-eigo; the English equivalent is simply 'major debut' or 'major label debut'.

wasei-eigo (Japanese-coined English), from major debut

• 彼かの女じょのバンドは来らい年ねんメジャーデビューする予よ定ていだ。