Latin word genus comes from Proto-Indo-European - -os, and later Proto-Indo-European *ǵénh₁os (Race, lineage.)
| Dictionary entry | Language | Definition |
|---|---|---|
| - -os | Proto-Indo-European (ine-pro) | |
| *ǵénh₁os | Proto-Indo-European (ine-pro) | Race, lineage. |
| *genos | Proto-Italic (itc-pro) | Lineage, origin. |
| genus | Latin (lat) | (grammar) gender. Birth, origin. Kind, type, class. Set, group (with common attributes). Species (of animal or plant), race (of people). |