Where does “lubber” come from?

Lubber comes from Old French lobeor, of uncertain origin and meaning.

lubber (English): A clumsy or lazy person; An inexperienced or...

Definitions

Step	Language	Word	Meaning
1	Proto-Germanic	lubbǭ	that which hangs or dangles
2	Proto-Indo-European	lewbʰ-	to desire, covet, want; to admire, praise; to...
3	Proto-Indo-European	lēw-	to sound, resound, sing out; to leave

lubber — Etymology, Origin & Word History | Etymology Explorer