zd smith says:
"But in my reading I came onto the idea of scribal abbreviations. It was at that point that I started to include those in the system—drawing some from the medieval Latin originals, or creating new ones myself."
Upon seeing his samples, I was immediately reminded of the "Luxeuil Miniscule" family of calligraphy as described in Marc Drogin's book Medieval Calligraphy: Its History and Technique (samples below).