superiumentarius
Could not find superiumentarium in Logeion dictionaries.
superiumentarium Noun: masculine genitive plural, Noun: masculine accusative singular of superiumentarius
sŭper-jūmentārĭus, ii, m.,
- a superintendent of the drivers of beasts of burden, Suet. Claud. 2.
superiūmentārius, iī, m. der Aufseher der Lasttierknechte, Suet. Claud. 2, 2.