What is the Celtic word for teacher?

There isn't a single, universally accepted Celtic word for "teacher." The Celtic languages are a family of languages, and each has its own distinct word.

Here are some examples:

* Irish: *múinteoir* (pronounced moo-n-t-yer)

* Scottish Gaelic: *teagaisg* (pronounced tay-gishk)

* Manx: *magher*

* Welsh: *athro* (pronounced ath-roh)

* Breton: *kelenner* (pronounced kel-en-ner)

So, the best word depends on which Celtic language you're interested in!