noun
window cleaning
Refers to the act of cleaning windows, often as a chore or task.
今日の家事は窓拭きです。
Today's household chore is window cleaning.
窓拭き用の洗剤を買った。
I bought a detergent for window cleaning.
掃除 is general cleaning, while 窓拭き specifically means cleaning windows.
Compound of 窓 (まど, 'window') and 拭き (ふき, the continuative form of 拭く 'to wipe').