וַיַּשְׁכִּ֣ימוּ בַבֹּ֔קֶר וְהַשֶּׁ֖מֶשׁ זָרְחָ֣ה עַל־הַמָּ֑יִם וַיִּרְא֨וּ מוֹאָ֥ב מִנֶּ֛גֶד אֶת־הַמַּ֖יִם אֲדֻמִּ֥ים כַּדָּֽם׃
Ketika mereka bangun pagi-pagi, matahari bersinar di atas air itu, dan orang Moab melihat dari kejauhan bahwa air itu merah seperti darah.
Rashi
Red as blood. Such is the nature of water; when the sun shines on it in the morning, causes it to appear red.
Rashi
From a distance. At a distance, but because they had never seen water in that valley, they, therefore, thought that it was blood.