If we shift each letter (t→s, h→g, m→l, y→x, l→k) → sglxk (not English).
Try : t→u, h→i, m→n, y→z, l→m → uinzm (no). thmyl ktab msr rwbrt sbrnjbwrj
Try (A=Z, B=Y, etc.): t (20) → G (7), h (8) → S (19), m (13) → N (14), y (25) → B (2), l (12) → O (15) → gsnbo ? Not obvious. 3. Maybe it's a phrase in another language? Could be a name or title: "thmyl" might be "thmy" = "thmy" isn't clear. "ktab" — in Arabic, "kitab" means book. "msr" — in Arabic, "Misr" means Egypt. "rwbrt" — could be "Robert". "sbrnjbwrj" — could be "Sbernjbwrj" or maybe "Sber nj bwrj" — "Sber" and "bwrj" might be "Sber" (as in Sberbank?) or "Burj" (tower in Arabic). If we shift each letter (t→s, h→g, m→l,
So: ? But that's odd — maybe it's a filename or an inside joke. Not obvious