Where does “bulksome” come from?

bulksome (English) comes from English some, from Middle English som, from Old English sum, from Proto-West Germanic *sum, from Proto-Germanic sumaz, from Proto-Indo-European sem- — together, one.

bulksome (English): Large, massive, heavy, or bulky

Definitions

Large, massive, heavy, or bulky

Ancestry of “bulksome”, step by step

bulksome traces back through two separate lines of ancestry.

via English some

Step	Language	Word	Meaning
1	English	some	A certain number, at least two; An indefinite...
2	Middle English	som	some
3	Old English	sum	some
4	Proto-West Germanic	*sum	some
5	Proto-Germanic	sumaz	some (one), a certain (one)
6	Proto-Indo-European	sem-	together, one

via English bulk

Step	Language	Word	Meaning
1	English	bulk	Size, specifically, volume; Any huge body or...
2	Middle English	bulk	—
3	Old Norse	búlki	the freight or the cargo of a ship
4	Proto-Germanic	bulkô	beam, pile, heap
5	Proto-Indo-European	bʰelǵ-	to balk, beam

Every word from Proto-Indo-European sem- →Every word from Proto-Germanic sumaz →Every word from Proto-West Germanic *sum →