eobiont

noun

1. A hypothetical primordial life-form or chemical precursor to a living organism.

   “Only when “eobionts”—primordial organisms equipped with a primitive metabolism—began to multiply efficiently was this material used up.”

2. An artificially created creature; a Frankenstein's monster.

   “In the Dutch novelist Harry Mulisch’s The Procedure, the protagonist Victor Werker is the creator of artificial life in the form of the Eobiont (Mulisch 2001).”