Should "troigh" be added to this list?

trí troighe srl...

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Please wait for corrections/ more input from other forum members before acting on advice

A Chionnfhaolaigh,

You're right of course, also orlach with the numerical plural orla (normal plural orlaí).
Also there is the occasional use of feara in the teens:

Seacht feara déag = Seventeen men.

It tends to avoid eclipses.

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The dialect I use is Cork Irish.
Ar sgáth a chéile a mhairid na daoine, lag agus láidir, uasal is íseal