Dictionary of Medieval Names
from European Sources

Velislav m. Slavic veli 'great, more, large' + Slavic sława, slava 'glory, fame'.

See also Wenceslas.

Czech Republic
Latin
1349 Velislaus (nom) chlumecky 14
Middle High German
1390 Velislaus (nom) Rössler1 119
Cite as: S.L. Uckelman. "Velislav". In S.L. Uckelman, ed. The Dictionary of Medieval Names from European Sources, Edition 2017, no. 1. http://dmnes.org/2017/1/name/Velislav.