commerciarius (comerchi-), -i, m.
– Händler, Einkäufer: ARCHIV Ravensp p.59 (1466) solvere comerchiis pro ipsis mercibus secundum taxationem valoris declarandam per ipsos comerchiarios vel saltem omnes ipsas merces reponi facere in 
doana Genue. PETRVS MARTYR orb nov 6,6,1. Si multis constet pagus domibus, et parvas plateas habent in quibus ab aula distantes vicini commerciarii queant convenire. MAGRI hierolex p.170 commerciarivs. FR(ater). Mercator, sive negotiator. ... ex graeco-barbaro, κομμερκιάριος.
doana Genue. PETRVS MARTYR orb nov 6,6,1. Si multis constet pagus domibus, et parvas plateas habent in quibus ab aula distantes vicini commerciarii queant convenire. MAGRI hierolex p.170 commerciarivs. FR(ater). Mercator, sive negotiator. ... ex graeco-barbaro, κομμερκιάριος.
Lexicographica: TLL* (tarde);
NOLTE lex p.469 commerciarivs Ein Einkäufer, Ein Mäkler, barbarum medii aevi; quemadmodum κομμερκιάριος similiter dixere Graeci posteriores.