Where does “mundo” come from?

mundo (Bikol Central) comes from Spanish mundo, from Latin mundus, from Proto-Indo-European mewH- — to wash, wet; to make wet, wash; wet.

mundo (Bikol Central): world; earth

Definitions

Step	Language	Word	Meaning
1	Spanish	mundo	world, earth; world, globe; world
2	Latin	mundus	clean, pure; neat; nice, fine, elegant,...
3	Proto-Indo-European	mewH-	to wash, wet; to make wet, wash; wet