It seems to be a Hebrew word.
It doesn't look like a Gaelic word.
croí
The Irish word for 'story' is 'scéal' and the Scottish Gaelic is 'sgeulachd'.
marbhan That is Gaelic for "Corpse" not "Copse"
bìdeach
It doesn't look like Scottish Gaelic.
In Irish it's "fiosracht"
In Irish it's "neamhspleáchas"
In Irish it's "drabhlás"
In Irish it's "baile"
It's not in Gaelic or any other Celtic language.
In Irish it's láidir / tréan