←
Proto-Indo-European *ǵenh₁- (root)
←
Proto-Indo-European *ǵenh₁- (mention)
→
French germe (borrowed)
→
Middle French germe (borrowed)
→
Galician xerme (inherited)
→
Italian germe (inherited)
→
Portuguese germe (mention)
→
Portuguese irmão (mention)
→
Old Portuguese irmão (mention)