When was Good Friday first called "Good"?

In my [other question](https://christianity.stackexchange.com/q/50655/24841) , I discovered that special commemoration on Friday was held as early as the 3rd century. I also discovered that there was not necessarily a connection to the title "Good" Friday. When was the Friday Passion week day first called "Good"? This can be in any language as long as the title or description is using something that can be understood the same (Latin Bonum/Bene?) But it needs to be as an actual title, not just someone writing that the Friday is good, or that it will be a good Friday(this year).