Where does “उदासिन्” come from?

उदासिन् (Sanskrit) comes from Sanskrit उद्, from Sanskrit वृत्, from Sanskrit अन, from Sanskrit अन्, from Proto-Indo-European h₂enh₁‑ — to breathe.

उदासिन् (Sanskrit): indifferent, disregarding; one who has no desire...

Definitions

उदासिन् traces back through two separate lines of ancestry.

Step	Language	Word	Meaning
1	Sanskrit	उद्	upon, upwards
2	Sanskrit	वृत्	to turn, to rotate
3	Sanskrit	अन	breath, respiration
4	Sanskrit	अन्	to breathe
5	Proto-Indo-European	h₂enh₁‑	to breathe

Step	Language	Word	Meaning
1	Sanskrit	आस	to have been
2	Proto-Indo-European	sewh₁-	to press, push