consuetudine
consuetudine is a Latin form of consuetudo, meaning “habit, custom”. It is the ablative singular feminine noun.
Found 289 times in the Latin texts on Socratos.
Where it is used
Caesar, De Bello Gallico 1.47.4: … tate donatus erat, et propter fidem et propter linguae Gallicae scientiam, qua multa iam Ariovistus longinqua consuetudine utebatur, et quod in eo peccandi Germanis causa non esset, ad eum mittere, et una M. Metium, qui hospitio Ari …
All forms of consuetudo (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.