Where does “lignātōr” come from?

lignātōr (Latin) comes from Latin lignor, from Latin līgnum, from English polygonum, from Ancient Greek πολύς, from Ancient Greek πόρος, from Ancient Greek πείρω, from Proto-Hellenic *péryō.

Ancestry of “lignātōr”, step by step

Step	Language	Word	Meaning
1	Latin	lignor	I fetch, collect, or procure wood or firewood
2	Latin	līgnum	—
3	English	polygonum	Any of many plants, of the family Polygonaceae,...
4	Ancient Greek	πολύς	many, a lot of; neuter πολύ or πολλά as...
5	Ancient Greek	πόρος	a means of passage, passageway, way, opening;...
6	Ancient Greek	πείρω	I pierce, run through; I cleave through
7	Proto-Hellenic	*péryō	—

Every word from Proto-Hellenic *péryō →