But another auxiliary or opposite signification also accompanies it and shares its labours--viz., Zi, to stay or repose.

Thus Ya enters into the future tense, and Zi in the preterite of all verbs requiring auxiliaries.

Yam, I shall go--Yiam, I may go--Yani-ya, I shall go (literally, I go to go), Zam-poo-yan, I have gone (literally, I rest from gone).

Ya, as a termination, implies by analogy, progress, movement, efflorescence.

Zi, as a terminal, denotes fixity, sometimes in a good sense, sometimes in a bad, according to the word with which it is coupled.