M6:4020 — نام او در نامها مکتوم کرد / محرمان را سر آن معلوم کرد

This beyt appears in the context of a longer story about the legendary beauty of Yusuf (Joseph) and how Zulaikha, his admirer, became so consumed by love that she began to call everything around her 'Yusuf'. From 'fire' to 'moon', 'bread' to 'water', all things took on his name in her mind. This intense, singular focus on the beloved, even to the point of displacing all other names, serves as a metaphor for the lover's absorption in the Divine.

The couplet then shifts from Zulaikha's human love to the divine Beloved. Just as Zulaikha's love for Yusuf led her to perceive his name in all things, so too does the true lover of God perceive His essence. However, the 'name' of God here refers not to His conventional names (like Allah, Rahman, Rahim), but to His ultimate, ineffable reality. This reality is 'concealed amidst all names' – meaning it is present in everything, yet hidden in plain sight, indistinguishable to the uninitiated. But to the mahraman (محرمان), the 'intimates' or 'confidants' who have drawn near through spiritual practice and love, that 'secret' (سر) is made known. They discern the Divine presence where others see only the mundane, much like Zulaikha saw Yusuf in every object.

This highlights a core Sufi concept: the esoteric truth (سر) is veiled from the masses but unveiled to those who purify their hearts and become worthy of such intimacy. It's a secret not because God actively hides it, but because it requires a particular state of being and perception to apprehend.