ipse dixit noun phr. pl. [ɪpsi: 'dɪksɪt, ɪpseɪ] ipse dixits.
L16.[Latin, lit. 'he himself said (it)', translating Greek autos epha, phr. used of Pythagoras by his followers.]An unproved assertion resting only on the authority of a speaker; a dogmatic statement; a dictum.
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