Where does “Pausha” come from?

Pausha (English) comes from Sanskrit पौष, from Sanskrit पुष्य, from Sanskrit पुष्, from Proto-Indo-European *(h₃)pews-.

Ancestry of “Pausha”, step by step

Step	Language	Word	Meaning
1	Sanskrit	पौष	—
2	Sanskrit	पुष्य	—
3	Sanskrit	पुष्	to be nourished, to thrive, flourish, prosper
4	Proto-Indo-European	*(h₃)pews-	—

Pausha — Etymology, Origin & Word History | Etymology Explorer