Where does “आषाढ” come from?

आषाढ (Sanskrit) comes from Sanskrit अषाढ, from Proto-Indo-Aryan *asaẓḍʰas.

Ancestry of “आषाढ”, step by step

Step	Language	Word	Meaning
1	Sanskrit	अषाढ	—
2	Proto-Indo-Aryan	*asaẓḍʰas	—

आषाढ — Etymology, Origin & Word History | Etymology Explorer