From Middle English seed, sede, side, from Old English sēd, sǣd, from Proto-West Germanic *sād, from Proto-Germanic *sēdiz ("seed"), from Proto-Indo-European *seh₁tis (corresponding to Proto-Germanic *sēaną + *-þiz), from *seh₁-. Cognate with West Frisian sied ("seed"), Dutch zaad ("seed"), Low German Saad ("seed"), German Saat ("sowing; seed"), Icelandic sæði ("seed"), Danish sæd ("seed"), Swedish säd ("seed"), Latin satio ("seeding, time of sowing, season"). More at sow.