quadruped
n.
1640s, from French quadrupède (16c.), from Latin quadrupes (genitive quadrupedis) "four-footed, on all fours," also, as a noun, "a four-footed animal," from quadri- "four" (see quadri-) + pes "foot" (see foot, n.). The adjective is attested from 1741. Related: Quadrupedal (1610s).
〔李〕[quadr-;-u-;ped] n.四足动物 a.有四足的 ←ped (L pes,pedis)=foot 足
〔李〕n.四足动物（尤指哺乳动物） [-ped=...footed animal] ←quadr（i）-，quadru-[L] =four四
〔李〕n. 四足动物 [quadru- =four] ←-ped，-pede [GK] =...footed animal表示“⋯足动物”
〔蒋〕[quadru-四，ped足] 四足的，四足动物