Theodosian

[ thee-uh-doh-shuh n, -shee-uh n ]

/ ˌθi əˈdoʊ ʃən, -ʃi ən /

of or relating to Theodosius I, who made Christianity the official state religion of the Roman Empire.

of or relating to Theodosius II, who issued the earliest collection of the imperial laws (Theodosian Code).

Origin of Theodosian

1755–65; Theodosi(us) + -an

Del Giudice has recently proved that certain passages are taken from the Justinian law and others from the Theodosian code.
The Two First Centuries of Florentine History|Pasquale Villari
The compilation took nine years to be made, and is known as the Theodosian Code.
Constantinople painted by Warwick Goble|Alexander Van Millingen
Majorian was the author of a number of remarkable laws, contained in the Theodosian Code.
Encyclopaedia Britannica, 11th Edition, Volume 17, Slice 4|Various
Jud., at the end of the Theodosian Code, seems spurious (see the comment of Gothofredus in loco).
Encyclopaedia Britannica, 11th Edition, Volume 8, Slice 9|Various

The Theodosian Code was composed of constitutiones principum.
The Mediaeval Mind (Volume II of II)|Henry Osborn Taylor