tá (number) sheomra i mo theach
In Irish it's "teach tuaithe"
Impossible to say without knowing how many rooms and what size they are.
Teach Sherman
If by 'Ancient Irish' you mean "Old Irish" it is "teg, tech". Modern Irish is tigh/teach.
The pronunciation of the Irish word 'teach' (house) or the english verb as in 'to teach'?
You can say "La casa tiene seis cuartos"
Teach Phóil is Irish.
Los cuartos en una casa.
In Irish it's "do theach deas"
In Irish it's cuan aoibhinn / cuan gleoite
ma maison a trois (3) pieces.
Teach breá le díol