v. Sc. [f. wat Sc. form of WOT v. + NA adv.3] (I) know not. Hence Watna-what sb., a dont know what, a nondescript.
1725. Ramsay, Gentle Sheph., IV. ii. Sir William s cruel, that wad force his son For watna-whats, sae great a risk to run.
1818. Scott, Hrt. Midl., xvi. Hes been a soldier, and he has been a play-actor, and I watna what he has been or hasna been.