エカシ

noun

grandfather; old man

Ainu loanword used in Japanese to refer to an elderly Ainu man or a respected elder, often with cultural connotations.

from Ainu

• アイヌの集しゅう落らくで、エカシが昔むかし話ばなしを語かたってくれた。

  In the Ainu village, the elder told us old stories.