An Etymological Dictionary of the German Language, H (1891)
by Friedrich Kluge, translated by John Francis Davis
Hitze
Friedrich Kluge2511472An Etymological Dictionary of the German Language, H — Hitze1891John Francis Davis

Hitze, f., ‘heat, ardour, passion,’ from the equiv. MidHG. hitze, OHG. hizza, f. (for *hitja, the Goth. form); comp. Du. hitte, hette, OIc. hite, m., ‘heat’; all formed by the weakest stage of gradation from the stem of the adj. heiß (Teut. root hī̆t, hait, ‘hot’). OHG. hizza was adopted by Rom. (comp. Ital. izza, ‘anger, indignation’).