An Etymological Dictionary of the German Language/That

by Friedrich Kluge

That, f., ‘deed, act, fact,’ from the equiv. MidHG. and OHG. tât, f.; a verbal noun formed by gradation from thun. Corresponding to Goth. dêþs, OIc. dáð, AS. dœ̂d, E. deed, Du. daad, OSax. dâd. Teut. dé-di-, from dhê-tí, formed from the Teut. root dê, dô, from Aryan dhê, dhô. The graded form ê (â) is seen also in the OHG. partic. gitân, MidHG. and ModHG. getân. —