Coined 1944 by Raphael Lemkin: Greek genos (race/people, PIE *ǵenh₁-) + Latin -cīdium (killing, PIE *keh₂id-). A deliberate Greek-Latin hybrid for a crime 'without a name.' Adopted by UN in 1948. Same genos root as gene, genesis, generate, genetic, genre, generous, gentle, collagen, and English kin.
The deliberate and systematic destruction, in whole or in part, of an ethnic, racial, religious, or national group.
Coined by Raphael Lemkin in 'Axis Rule in Occupied Europe' (1944), a deliberate neoclassical compound: Greek 'γένος' (genos, race, people, kind, family) + Latin '-cīdium' (a killing, a cutting down), from 'caedere' (to kill, to cut, from PIE *keh₂id- meaning to strike or cut). 'Genos' derives from PIE *ǵenh₁- (to give birth, to beget), the root of Greek 'genesis' (origin, birth), 'genea' (generation, family), Latin 'genus' (kind, race, birth), 'gens' (clan, people), 'gignere' (to beget), 'natura' (birth, nature — from 'nāscī'), and English 'kin,' 'kind,' 'gender,' 'generate,' 'gene.' '-Cīdium' appears in 'homicide' (killing a person), 'fratricide' (killing a brother