anaerobic (adj.)

"capable of living without oxygen," 1884 (earlier anaerobian, 1879), from French anaérobie, coined 1863 by French bacteriologist Louis Pasteur (1822-1895), from Greek an- "without" (see an- (1)) + aēr "air" (see air (n.1)) + bios "life," from PIE root *gwei- "to live."