Where does “polyosidique” come from?

polyosidique (French) comes from French polyoside, from French poly-, from Ancient Greek πολύς, from Ancient Greek πόρος, from Ancient Greek πείρω, from Proto-Hellenic *péryō.

polyosidique (French): polysaccharidal

Definitions

polysaccharidal

Ancestry of “polyosidique”, step by step

Step	Language	Word	Meaning
1	French	polyoside	polysaccharide
2	French	poly-	poly- (many)
3	Ancient Greek	πολύς	many, a lot of; neuter πολύ or πολλά as...
4	Ancient Greek	πόρος	a means of passage, passageway, way, opening;...
5	Ancient Greek	πείρω	I pierce, run through; I cleave through
6	Proto-Hellenic	*péryō	—

Every word from Proto-Hellenic *péryō →Every word from Ancient Greek πείρω →Every word from Ancient Greek πόρος →