means Resin is the sticky, often translucent substance that oozes from certain trees and plants, hardening on contact with air, and now also refers to a wide range of synthetic gummy materials used in plastics, adhesives, and varnishes.

from From Latin 'resina,' itself borrowed from Greek 'rhetine,' meaning the resin of the pine. The word flowed into English through Old French in the medieval period, carrying the same image the Greeks knew: pine sap weeping from a wounded trunk. Over centuries the term stretched far beyond trees to cover the man-made gums of modern chemistry — but its root still smells of pine.