ritu
ritu is a Latin form of ritus, meaning “rite, ceremony; custom, way (ritu, in the manner of)”. It is the ablative singular masculine noun.
Found 164 times in the Latin texts on Socratos.
Where it is used
Cicero, Philippicae 2.62: … ndum in Cn. Pompei locum multorumque aliorum qui aberant repentinus heres successerat. erat vivendum latronum ritu, ut tantum haberet, quantum rapere potuisset.
Ovid, Metamorphoses 1.695: virginitate deam. Ritu quoque cincta Dianae
All forms of ritus (declension table)
Source: Socratos (socratos.org), a free reader for Ancient Greek and Latin. Grammar from the Perseus Treebank and Morpheus; dictionary entries from Lewis & Short, A Latin Dictionary (Perseus Digital Library, CC BY-SA). Counts are from the texts on Socratos.