Where does “molo” come from?

molo (Polish) comes from Italian molo, from Ancient Greek μῶλος, from Proto-Indo-European meh₃- — to cause toil, be a burden; to exert.

molo (Polish): pier

Definitions

Step	Language	Word	Meaning
1	Italian	molo	jetty, pier, mole, quay, dock; first-person...
2	Ancient Greek	μῶλος	toil and moil of war, turmoil
3	Proto-Indo-European	meh₃-	to cause toil, be a burden; to exert

molo — Etymology, Origin & Word History | Etymology Explorer