Himalayish language spoken in Tibet
"The monks gathered to chant prayers in their native Tibetan language while the wind howled across the snowy peaks of the Himalayas."
a native or inhabitant of Tibet
"The tibetan monks gathered at the monastery to pray together."
A native of Tibet
"The traveling tibetan shared stories of life in the high mountains with his new friends."
of or relating to or characteristic of Tibet or its people or their language
"Tibetan monks"
Pertaining to Tibet, the Tibetan people, culture, or language.
"The monks chanted ancient mantras in their distinctive Tibetan dialect during the morning ceremony."
In plain English: Tibetan describes anything related to Tibet, which is a large region located on the roof of the world between China and India where many people speak Tibetan and practice Buddhism.
"The monks sang ancient songs in their Tibetan language during the ceremony."
This word comes from Tibet combined with the suffix -an. It originally meant "of or relating to Tibet."