[GAIUS libro uicensimo sexto ad edictum prouinciale. ] §50.16.62.pr'Tigni' appellatione in lege duodecim tabularum omne genus materiae, ex qua aedificia constant, significatur.
[GAIUS on the Provincial Edict, book 26.] Under the designation of 'tignum' in the Law of the Twelve Tables, every kind of material of which buildings consist is signified.