Variant of 冂, but the left stroke is 丿, not 丨
Mnemonic symbol: ⺆ looks like a staple, as used in a stapler.
Zeus (ju) wants to plant bananas (丿) in front of the engine ((e)ng1). He uses a plow (㇆) to dig up the earth and puts the bananas inside. To prevent the bananas from falling down, he staples them down with a stapler (⺆).