Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
2. sătĭo, ōnis, f. [1. sero], a sowing, a planting (syn. sementis), Cic. Verr. 2, 3, 47, § 112; Varr. R. R. 1, 39, 1; Col. 2, 9, 6; 3, 14, 2; 11, 2, 80; Liv. 32, 34; Verg. G. 2, 319 al.
In plur., sowed fields, cultivated lands, Cic. Verr. 2, 3, 15, § 38; Vulg.Ecclus. 40, 22.