From cham; heat; by implication, the sun -- heat, sun.
see HEBREW cham
H2535. chammah
חַמָּה noun feminine heat, sun (poetry) — חַמָּה Isaiah 24:23 4t..; חַמָּתוֺ Psalm 19:7; —
1 heat of sun Psalm 19:7.
2 = sun Job 30:28; "" לְבָנָה moon Isaiah 24:23 = 30:26 (twice in verse); Song of Solomon 6:10.