וְרֹ֣חַב הֶֽחָצֵ֗ר לִפְאַ֛ת קֵ֥דְמָה מִזְרָ֖חָה חֲמִשִּׁ֥ים אַמָּֽה׃
동을 향하여 뜰 동편의 광도 오십 규빗이 될지며
Chizkuni
והחונים קדמה מזרחה, “the ones who were encamped on the east side facing the sun;” they were facing the entrance of the Tabernacle as described at the end of Parshat T’rumah. (Exodus 27,13)
Chizkuni
ושדופות קדים, “and parched by the east wind;” the wind coming from the eastern regions is known as kadim. It had been heated by the sun from which it blew in, as the sun there had risen earlier. This is alluded to in the expression קדמה מזרחה, (Exodus 27,13). The reason why the “west” in Hebrew is called: מערב, is that when the sun sets in the west it is evening.
Rashi
east as it is stated (Exod. 27: 13): “on the east side (קדמה), eastward.”