maxilla + -i- + -ped, after New Latin maxillipedes and French pieds-machoires
Note:
The New Latin and French terms were introduced by the French zoologist Pierre André Latreille (1762-1833) in Encyclopédie méthodique - Histoire naturelle, tome dixième, Entomologie, ou Histoire naturelle des crustacés, des arachnides et des insectes (Paris, 1825), p. 123.