surregulus
Could not find subreguli in Logeion dictionaries.
subreguli Noun: masculine nominative plural, Noun: masculine vocative plural, Noun: masculine genitive singular of surregulus
sur-rēgŭlus (subr-), i, m.,
- a petty prince, a feudatory vassal, Amm.17, 12, 21; Sulp.Sev.Hist. Sacr. 2, 10, 1.