Where does “ayaatsʼiin” come from?

ayaatsʼiin (Navajo) comes from Navajo atsʼin, from Proto-Athabaskan tsʼən — bone.

ayaatsʼiin (Navajo): chin, lower jaw, mandible

Definitions

  1. chin, lower jaw, mandible

Ancestry of “ayaatsʼiin”, step by step

ayaatsʼiin traces back through two separate lines of ancestry.

via Navajo atsʼin

StepLanguageWordMeaning
1Navajoatsʼinbone
2Proto-Athabaskantsʼənbone

via Navajo biyaa

StepLanguageWordMeaning
1Navajobiyaaunder it/him/her, beneath it/him/her
Every word from Proto-Athabaskan tsʼən →Every word from Navajo atsʼin →