vivendum
vivendum is a Latin form of vivo, meaning “live”. It is the gerundive.
Found 132 times in the Latin texts on Socratos.
Where it is used
Cicero, In C. Verrem 2.3.2: … i non modo communi voluntate virtutis atque offici, sed etiam vi quadam magis necessaria recte sit honesteque vivendum.
Livy, Ab urbe condita 28.40.13: uidelicet ut mihi iam uiuendo non solum rebus gerendis fesso, si huic negata fuerit, Africa prouincia decernatur. cum ea gloria quae parta est uiuendum atque moriendum est.
All forms of vivo (conjugation 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.