→
Old English ostre (derived)
→
Middle English oystre (derived)
→
Esperanto ostro (mention)
→
Spanish ostra (derived)
→
Middle French oistre (derived)
→
Old French oistre (borrowed)
→
Scottish Gaelic oisir (derived)
→
Galician ostra (inherited)
→
Translingual Ostrea (derived)
→
Portuguese ostra (mention)