1297, from O.Fr.
geant, from V.L.
*gagantem (nom.
gagas), from L.
gigas "giant," from Gk.
gigas (gen.
gigantos), one of a race of savage beings, sons of Gaia and Uranus, eventually destroyed by the gods, probably from a pre-Gk. language. Replaced O.E.
ent, eoten. The Gk. word was used in Septuagint to refer to men of great size and strength, hence the expanded use in modern languages.
Gigantic (1612) replaced earlier
gigantine."In þat tyme wer here non hauntes Of no men bot of geauntes." [Wace's Chronicle, c.1330]