1862, from Modern Latin pseudopodium (itself in English from 1854), from pseudo-) + Latinized form of Greek podion, diminutive of pous "foot" (from PIE root *ped- "foot"). Related: Pseudopodal.
pseudocide
pseudograph
pseudomorph
pseudonym
pseudonymous
pseudopod
pseudo-science
pseudo-scientific
pshaw
psi
psilanthropism