הרגדDaRGaH (step, grade, rank) is closest to what a DEGREE is, in academics or geometry. The Biblical Dalet-Resh-Gimel extension is מדרגה MaDRayGaH (rung, scale, step, grade) or "steep place" in Ezekiel38:20, the "stairs" (KJV) of Songs 2:14.
ד-ר-גDalet-Resh-Gimel is related to דלגDaLeG (Dalet-Lamed-Gimel, but an R/L liquid shift away). It means skipping, what one does when NOT GRADually following the DEGREES or GRADATIONS. In II Samuel 22:30דלגDaLeG is bounding over or scaling a wall. Edenic skipping, then, is the similar, built-in opposite of Edenic going step-by-step..
WhileדרגDaRahG is tomake steps, GRADuatedGRADes, as in the terracing common in Judea,גרד GayRaiDis to scrape, make level, another built-in opposite by metathesis.
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