Breton lenn

← Gaulish lindon (cognate)

← Gaulish linna (cognate)

← Proto-Celtic *lindos (inherited)

← Proto-Celtic *linnā (inherited)

← Welsh llên (cognate)

← Welsh llyn (cognate)

← Welsh llen (cognate)

← Irish linn (cognate)

← Irish leann (cognate)

← Cornish lenna (cognate)

← Cornish lynn (cognate)

← Cornish len (cognate)

← Latin legendus (derived)

← Old Breton lin (inherited)

← Old Breton lenn (inherited)

← Middle Breton leen (inherited)

← Middle Breton lenn (inherited)

→ Breton lennoù (suffix)

→ Breton dilenn (affix)

→ Welsh llên (cognate)

→ Welsh llen (cognate)

→ Irish leann (cognate)