Companion Terms for 7 and 8 (Re: 'eight' some more)

[Koontz John E]

On Wed, 5 May 2004 lcumberl at indiana.edu wrote:
> I'll add to John's list below that the Assiniboine word for 'seven' is
> iyu's^na. Here's Deloria's comment (1936:6): 'Iyu's^na indicates 'one
> odd one'. There is an Assiniboine stickgame, called Iyu^na, in which
> seven sticks are used as counters; and the odd one is the determinant of
> the game's outcome."

I wonder if iyus^na might not be a word for a game (shinny?) stick, i.e.,
'with which to make it (specific, i.e., the ball) slide'?  I assume a
general purpose slider, 'it slides things' would be wi'yus^na.