An Etymological Dictionary of the German Language/Annotated/Saat
Saat, feminine, ‘sowing, seed, crop,’ from the equivalent Middle High German and Old High German sât, feminine; corresponding to Old Saxon sâd, neuter, Dutch zaad, Anglo-Saxon sœ̂d, masculine and neuter, English seed, Old Icelandic sœ̂ðe, and sáð, neuter, ‘seed,’ Gothic only in mana-sêþs (þ equivalent to d), feminine, ‘mankind, world.’ Old Teutonic sê-di and sê-da- are abstract forms from the primitively root sê, ‘to sow,’ contained in Seu and Same.