-pe

an enclitic particle with an intensive force

Sauscr. -pa, -pi, which is similarly used; cf. -que

an enclitic particle with an intensive force Sauscr. -pa, -pi, which is similarly used; cf. -que, as in prope, nempe, quippe; and appearing as p in quispiam, uspiam, etc. (cf. Corss. Ausspr. 2, 846).
Lewis & Short
A Latin Dictionary, 1879
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