When two nouns come together the second noun is put in the genitive. Fair enough. But why is it 'barr dorais' but 'dath an tí', 'hata an fhir' and so on? If 'barr dorais' means 'top of the door', why can't 'dath tí' could mean 'colour of the house'? Doras, teach and fear are all masculine so can somebody enlighten me here with a rule? Thanks a million.
'dath an tí', 'hata an fhir' the colour of THE house, the hat of THE man/ the man's hat
I hope that clears up the misunderstanding.