Where does “submundane” come from?

submundane (English) comes from English mundane, from Middle English mondeyne, from Old French mondain, from Late Latin mundanus, from Latin mundus, from Proto-Indo-European mewH- — to wash, wet; to make wet, wash; wet.

submundane (English): Existing beneath the world

Definitions

Existing beneath the world

Ancestry of “submundane”, step by step

Step	Language	Word	Meaning
1	English	mundane	Worldly, earthly, profane, vulgar as opposed to...
2	Middle English	mondeyne	—
3	Old French	mondain	—
4	Late Latin	mundanus	worldly, mundane; cosmopolitan
5	Latin	mundus	clean, pure; neat; nice, fine, elegant,...
6	Proto-Indo-European	mewH-	to wash, wet; to make wet, wash; wet

Every word from Proto-Indo-European mewH- →Every word from Latin mundus →Every word from Late Latin mundanus →