Re:Mongolia to restore traditional alphabet
by bane on Tuesday April 14, 2020 @07:26PM
(#22872691)
I think you may mean it may have been influenced by the Phags-Pa script [1] (which was influenced by Tibetan, but quite different). Which was invented by a Tibetan and used during the Yuan dynasty.
1 - https://en.wikipedia.org/wiki/%CA%BCPhags-pa_script