Where does “राजासन” come from?

राजासन (Sanskrit) comes from Sanskrit आसन, from Sanskrit आस्ते, from Proto-Indo-Aryan Hā́stay, from Proto-Indo-Iranian Hā́stay, from Proto-Indo-European h₁ḗsti, from Proto-Indo-European h₁ēs- — to be.

राजासन (Sanskrit): a royal seat, throne

Definitions

a royal seat, throne

Ancestry of “राजासन”, step by step

राजासन traces back through two separate lines of ancestry.

via Sanskrit आसन

Step	Language	Word	Meaning
1	Sanskrit	आसन	seat, chair; a comfortable position; sitting,...
2	Sanskrit	आस्ते	to be; to stay; to sit
3	Proto-Indo-Aryan	Hā́stay	—
4	Proto-Indo-Iranian	Hā́stay	—
5	Proto-Indo-European	h₁ḗsti	to be
6	Proto-Indo-European	h₁ēs-	to be

via Sanskrit राज

Step	Language	Word	Meaning
1	Sanskrit	राज	king; chief; sovereign
2	Sanskrit	राजन्	a king, sovereign, prince, chief; a man of the...
3	Proto-Indo-Aryan	Hrā́ȷ́ā	king
4	Proto-Indo-Iranian	Hrā́ȷ́ā	—
5	Proto-Indo-European	h₃rḗǵs	king, ruler
6	Proto-Indo-European	h₃reǵ-	to straighten, to right oneself; right; just

Every word from Proto-Indo-European h₁ēs- →Every word from Proto-Indo-European h₁ḗsti →Every word from Proto-Indo-Iranian Hā́stay →