Properispomenon

‖n.; pl. Properispomena [ NL., fr. Gr. &unr_;, fr. &unr_; to circumflex on the penult; &unr_; before + &unr_; to circumflex. See Perispomenon. ] (Gr. Gram.) A word which has the circumflex accent on the penult. [ 1913 Webster ]