- semen (n.)
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- late 14c., from Latin semen "seed of plants, animals, or men; race, inborn characteristic; posterity, progeny, offspring," figuratively "origin, essence, principle, cause," from PIE *semen- "seed," suffixed form of root *se- (1) "to sow" (source also of Latin serere "to sow," Old Prussian semen "seed," Lithuanian semens "seed of flax," Old Church Slavonic seme, Old High German samo "seed," German Same; see sow (v.)).