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Dictionary of Medieval Names
from European Sources
☙

Ostosia f. A derivative of Proto-Germanic *austraz 'eastern'.

Spain
Latin
● 954 Ostosia (nom) CDGH XLVII, ostosie (gen) ibid. XLVII
Cite as: S.L. Uckelman. "Ostosia". In S.L. Uckelman, ed. The Dictionary of Medieval Names from European Sources, Edition 2021, no. 1. http://dmnes.org/2021/1/name/Ostosia.