"pertaining to the period of Earth's history before life appeared," 1843, with -ic + Greek azōos, from a- "not, without" (see a- (3)) + zōon "animal," here used in the sense "life," from PIE root *gwei- "to live."
azoic rocks contain not organic remains
Ayurvedic
azalea
Azerbaijan
azimuth
azo-
azoic
Azores
azotemia
Aztec
azure
B