reptile of the order
Sauria, 1807, from Mod.L.
sauria "the order of reptiles," from Gk.
sauros "lizard," probably related to
saulos "twisting, wavering."
Sauropod is 1891, from Mod.L.
sauropoda (O.C. Marsh, 1884), second element from Gk.
pous "foot" (see
foot).