Duccius[?] - inscriptions, notably a tombstone of Lucius Duccius Rufinus at York[2] (http://museums.ncl.ac.uk/archive/arma/contents/iconog/tombston/cent1/uk/york/duccius.htm)
... Also, there exists a third, extra-long length for most vowels, which is used in various cases, but particularly when recording a shout, or a greeting.)
Vowels (with ...