Where does “plerumque” come from?

plerumque (Latin) comes from Latin plerusque, from Latin -que, from Proto-Italic -kʷe, from Proto-Indo-European -kʷe — and; Forms distributives from interrogatives.

Ancestry of “plerumque”, step by step

Step	Language	Word	Meaning
1	Latin	plerusque	most, very many, most of, the greater larger...
2	Latin	-que	and, a copulative particle affixed to the word it...
3	Proto-Italic	-kʷe	and; Forms distributives from interrogatives
4	Proto-Indo-European	-kʷe	and; Forms distributives from interrogatives

Every word from Proto-Indo-European -kʷe →