Vedic Hymns, Part II (SBE46)
Chapters
Mandala IV, Hymn 15

Note [4:15:6:2]2. The red young child of Heaven seems to be the Soma. The Soma frequently is called arusha ('red'), and is said to be cleansed by men; in IX, 33, 5; 38, 5, the expression divah sisuh ('the young child of Heaven') is used with regard to him.

Verse 7.

Note [4:15:7:1]1. I. e. when he thought of presenting me with the two horses.