How did the written language the cherokee?

The number of speakers is in decline. About eight fluent speakers die each month, and only a handful of people under the age of 40 are fluent.[12] The dialect of Cherokee in Oklahoma is "definitely endangered", and the one in North Carolina is "severely endangered" according to UNESCO.

Explanation:

during the middle ages bibles and most christian literature was written in latin i think that’s the answer you are looking for