Roman praenomen (
P. Iulius, a contemporary of Romulus ), and secondarily a cognomen. Depending on the form, a diminutive (older *
prokelo-) of the stem *
proko- (~ classical
procus 'wooer, suitor'), it originally perhaps meant 'the one who demands or claims (the inheritance?)'.
Proca (King of Alba Longa) can also be regarded as etymologically connected. The
praenomen, which had already become rare at an early time, survived in derivatives, the gentilician names
Proculeius. Steinbauer, Dieter (Regensburg) [German version]  Roman jurist, 1st cent. The jurist fro…