ayac

Having first dyed their feathers or hair yellow or a beautiful citron colour with the ayac wood, they boil the roots of the achechy in water, then squeeze them with all their force, and the expressed liquor serves for the red dye.

History of Louisisana Or of the Western Parts of Virginia and Carolina: Containing -1775 Le Page du Pratz

The ayac, or stinking-wood, is usually a small tree, seldom exceeding the thickness of a man's leg; its leaf is of a yellowish green, glossy, and of an oval form, being about three inches in length.

History of Louisisana Or of the Western Parts of Virginia and Carolina: Containing -1775 Le Page du Pratz

In ivitzilopochtli ayac nouiui, _id est_, ayac nechneneuilia, ayac iuhqui, in iuhqui.

Rig Veda Americanus Sacred Songs of the Ancient Mexicans, With a Gloss in Nahuatl Various 1868