anaerobic (adj.)
"capable of living without oxygen," 1879 (as anaerobian; modern form first attested 1884), from French anaérobie, coined 1863 by French bacteriologist Louis Pasteur (1822-1895), from Greek an- "without" (see an- (1)) + aer "air" (see air (n.1)) + bios "life" (see bio-).