Adh-Dhahir

The root. Adh-Dhahir comes from ẓ-h-r, a root centered on the back — ẓahr is the back itself — and extended from there to whatever faces outward and is plainly visible, as opposed to what is turned away and hidden. Zuhūr is appearance, becoming manifest; the root's spread from a body part to a whole category of visibility is typical of how Arabic builds abstract meaning from the physical.

What it means here. Adh-Dhahir is read as the one whose existence is evident through what can be observed — the order, precision, and sheer scale of creation stand as visible proof of Him, even though He is not seen directly. It is fused in the tradition to Al-Batin, "the Hidden," and the two are usually read not as a contradiction but as two facts held together: Allah is manifest in His signs and effects while remaining beyond direct perception in His essence, evident and unseen in the same breath rather than in alternating ones.

Where it is met. Adh-Dhahir's essentially sole appearance in the Quran is again Surah Al-Hadid 57:3, naming Allah "the First and the Last, the Ascendant and the Intimate" — the same verse that carries Al-Awwal and Al-Akhir. Classical commentary reads the four names of that verse as a single, complete statement rather than four separate claims: whichever direction existence is searched, before, after, outward, or inward, it returns to Him.