Vous avez cherché: dead of night (Anglais - Latin)

land of night
enter the veil

archive of night
nox pythonissam

power of night.
potentia noctis

hail the lord of night
ave dominus nox

hail unto the lord of night
ave ave dominus noctis

intempestus, intempesta, intempestum unseasonable stormy, unhealthy; nox intempesta the dead of night;
intempesta

nocturnus, nocturna, nocturnum nocturnal, of night, at night, by night;
nocturna

he hath set me in dark places, as they that be dead of old.
beth in tenebrosis conlocavit me quasi mortuos sempiterno

subura, suburae valley between esquiline and viminal hills of rome (center of night life);
subura

conticinnum, conticinni quiet/still of night; (immediately following nightfall and preceding dawn);
conticinni

conticinium, conticini(i) quiet/still of night; (immediately following nightfall and preceding dawn);
conticini

“hail lord night” (if you wanted to say “hail lord of night” nox would need to become noctis)
ave dominus nox