Patsal (H6478) means to peel or pare — specifically the stripping of bark from branches to create white streaks. It appears in the famous account of Jacob peeling rods of poplar, almond, and plane trees to place before the flocks' watering troughs (Gen 30:37-38), in his attempt to influence the color of the offspring. The word is rare and specific — appearing only in this context in the OT.
The episode of Jacob and the peeled rods (Gen 30:37-43) is one of Scripture's most mysterious passages, raising questions about faith, providence, and folk practices. Jacob used what he understood (selective breeding) in what appears to be a superstitious practice. Yet God honored him — not because the rods worked, but because God was fulfilling His own purposes (Gen 31:9-12: 'God has taken away the livestock of your father and given them to me'). The theology is clear: even our imperfect, fumbling efforts toward provision are held in God's sovereign hands. It is God who strips and reveals, who makes plain what was hidden.