Where does “polycystic” come from?

Polycystic derives from English cystic, from Middle French cystique, from Ancient Greek κύστις meaning bladder, ultimately from Proto-Indo-European pleh₁-.

polycystic (English): Having many cysts

Definitions

Having many cysts

Ancestry of “polycystic”, step by step

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

Words derived from “polycystic”

nonpolycystic
fibropolycystic
polycystin

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