Mary first said that she had received the eik in which her accusers lied, attributing to her the crimes of which they are guilty.
On the 26th November, Murray made his "eik" or additional charge.
Ist no possible to put in a gushet or a gore, and to make an eik?
We have received the eik given in by the Earl of Murray and his complices.
They then put in an eik, or addition, with the formal charge.
eik is the ilex or scarlet oak; thyrnir, a thorn; metaphorically for a stag's antlers.