Welsh ysgol

← Proto-Brythonic *ɨskol (inherited)

← Proto-Brythonic *ɨskọl (inherited)

← Welsh athrofa (link)

← Ancient Greek σχολή (derived)

← Latin schola (derived)

← Latin scāla (derived)

← Middle Welsh yscol (inherited)

← Middle Welsh yscawl (inherited)

→ Welsh prifysgol (affix)

→ Welsh ysgolion (affix)