transfer window (soccer)
Specific term in soccer for the period when player transfers between clubs are permitted.
移籍ウィンドウが閉まる前に、クラブは新しいストライカーを獲得した。
Before the transfer window closed, the club signed a new striker.
Compound of 移籍 (transfer of registration) and English loanword ウィンドウ (window), calqued from English 'transfer window'.