The word is specific to the event in Exodus 12. Simply it means to crossover or leap. The pictographs give us the idea that the Spirit (God’s spirit since the word is first used when God is talking) will turn death away from your walls or protect your walls.
|The ‘Pey’ represents an open mouth means speak, open, blow, or apart.|
|The ‘Samech’ represents a thorn bush that would prop up, support, twist, turn, or snare.|
|The ‘Chet’ illustrates a fence surrounding and protecting the action of life.|