tetrapodWiktionary 原文英/ˈtɛ.trəˌpɒd/美/ˈtɛ.trəˌpɑd/构词拆解tetratetra-前缀pod-pod后缀tetra-Four.-podRelated to or resembling a foot or similar limb. · Having or being a certain kind of foot.词源链原始词根原始印欧语Proto-Indo-European约前 4500–前 2500 年*ped-英语Englishtetrapod词源说明From tetra- + -pod. Doublet of quadruped.释义名词noun1Any item with four arms or four feet, such as a light stand, a gun mount, etc.2A type of vertebrate animal形容词adjective1Having four limbs or feet同族词派生词 3fishapod·nontetrapod·