Etymology tree
Aramaic דּוּכָּנָאbor.
Arabic دُكَّان (dukkān)
From Aramaic דּוּכָּנָא (dukkānā, “dais”), from Akkadian 𒆠𒍇 (/takkannu, dakkannu, dukkannu/, “dais, platform, bench; niche, bedroom, private chambers or quarters”), ultimately from Sumerian 𒆠𒍇 (/daggan/, “chamber, doorway or its frame, niche in a wall”). See also Hebrew דּוּכָן (dukhán).