Learn how to say Gaian correctly in English with this tutorial pronunciation video.
Oxford dictionary definition of the word Gaia:
1 (also Gaea, Ge) Greek Mythology the Earth personified as a goddess, daughter of Chaos. She was the mother and wife of Uranus (Heaven); their offspring included the Titans and the Cyclops.
2the earth viewed as a vast self-regulating organism (see Gaia hypothesis).
noun & adjective
Greek, ‘Earth’. Gaia (sense 2) was coined by James Lovelock, at the suggestion of the writer William Golding