ALALUS

ˈalələs; (ˈ)āˈlālus, -ˈlal- noun

( plural al·a·li -ˌlī ; or al·a·loi -ˌlȯi)

Etymology: New Latin, from Greek alalos speechless, from a- a- (II) + lalos loquacious

: a hypothetical lower order of man lacking the faculty of speech