biogenesis (n.) Look up biogenesis at Dictionary.com
also bio-genesis, 1870, "theory that living organisms arise only from pre-existing living matter," coined by English biologist T.H. Huxley (1825-1895) from Greek bios "life" (from PIE root *gwei- "to live") + -genesis "birth, origin, creation." Related: Biogenetic; biogenetical.