What is "tamkhosrau"

Tamkhosrau or Tamkhusro ("strong Khosrau", in Greek sources rendered as Ταμχοσρώ or Ταμχοσρόης, Tamchosroes), was a Sassanid Persian general active in the Roman–Persian Wars of the late 6th century. As his honorific name indicates, he was a highly regarded man among the Persians, and one of the chief generals of the shah Khosrau I (r. 531–579).