窓辺

Compound of 窓 (mado, “window”) +‎ 辺 (be, “vicinity, area near something”).[1][2][3]

• Kun’yomi
• (Tokyo) まどべ [màdóbé] (Heiban – [0])[2][4]
• IPA^(key): [ma̠do̞be̞]

窓(まど)辺(べ) • (madobe) 

1. the area near a window, the vicinity of a window

   窓辺(まどべ)に立(た)ったら日当(ひあ)たりがよくなるけど。

   Madobe ni tattara hiatari ga yoku naru kedo.

   You'll get better sun if you stand by the window.

Either from Middle Chinese 窗邊 (tsrhæwng pen, literally “window + border; location”), or coined in Japan from Middle Chinese-derived components.

• On’yomi: Goon
• IPA^(key): [so̞ːhẽ̞ɴ]

窓(そう)辺(へん) • (sōhen) ^{←さうへん (saufen)?}

1. the area near a window, the vicinity of a window

This reading seems to be very rare.