dii-

Navajo

Etymology 1

From di- +‎ yi- +‎ ii-

Prefix

dii-

1. Marks a first person duoplural subject of a future mode verb

   ‎dii- + ‎yideeł (“he/she is rushing at it”) → ‎diidił (“we will rush at it”)

See also

Navajo future mode subject markers

		singular	duoplural	plural
1st person		deesh-	dii(d)-	dadii(d)-
2nd person		díí-	doo(h)-	dadoo(h)-
3rd person		doo-		dadoo-
4th person		jidoo-		dazhdoo-
impersonal		ʼadoo-		—
areal/spatial		hodoo-		—

Etymology 2

From di- (color) +‎ yi- (transitional aspect)

Prefix

dii-

1. Forms verbs describing change of color

   • diibááh ― to turn gray
   • diitłʼíísh ― to turn blue/green