Help with sindarin tattoo

[Rossanux]

Hi fellows lotr fans,

I'm planning on getting a tattoo about lotr on my chest. Below you can see the idea as a whole.
If i'm correct the symbols around the tree are nothing more than what is written on the One Ring: I would like to change that.

In detail, I'd like to change that with a Gimli quote from the book:

Faithless is he that says farewell when the road darkens​

Now, I'd love to have it translated in sindarin, but I don't want to resort to some online random translator (since you know, tattoos...). Is there any language expert here who can help me out?

Thank you very much!

 

[Squint-eyed Southerner]

Welcome, Rossanux!

You may have to be patient for a day or two, until one of our resident experts swings by. Just check in from time to time.