ársa or seanda
If by 'Ancient Irish' you mean "Old Irish" it is "teg, tech". Modern Irish is tigh/teach.
how do you say my country in irish
How do you say "for four days " in irish?
The way to say egg in Irish is ubh
Irish isn't ancient it is still spoken Ó Maoilchluiche - O Meel-khlih-heh
In Irish "ancient watch " is "sean-uaireadóir".
No Irish version.
"luckily in Irish"
No Irish form.
Caitríona in Irish.
No Irish version.
In Irish it's "an Rí na mbuaiteorí ar fad". The Norse language and Gaelic are not closely related, BTW.