Your search for the adverb yaa down, downward
has returned 3 entries

yaa

Shimá sání dah díníilghaazh ’ayiila’ii’, nihí yaa néíni’ką́.

1-grandmother frybread 3-3-make.P-and 1.dpl under 3-3-place.P

Ńdíshchíí’ yáázhí bąąh hasis’na’go shił yaa ’ádzaa.

pine.tree little 3-on 1-climb.P-GO 1-with down 3-act.P