- Arthropoda (n.)
- 1870, Modern Latin, literally "those with jointed feet," coined 1845 by German zoologist Karl Theodor Ernst von Siebold (1804-1885) from Greek arthron "a joint" (see arthro-) + podos genitive of pous "foot," from PIE root *ped- (1) "a foot" (see foot (n.)).
