Sırrı
It derives from Arabic Sirr, meaning secret, mystery, or esoteric truth known only to the sincere believer and Allah.
Yes, it reflects Sufi concepts of batin (inward truth) and appears in Ottoman Islamic records, though it is extremely rare.
Surah Ta Ha (20:7) mentions: 'He knows the secret (sirr) and what is [even] more hidden (akhfa).'
Yes, it appears in Bosnian Muslim archives as 'Sirri,' reflecting Ottoman cultural influence in the Balkans.
It symbolizes spiritual depth, inward sincerity (ikhlas), mystical knowledge, and the intimate hidden relationship between the servant and Divine.