You searched for: “angusticlaves”
angusticlave (s) (noun), angusticlaves (pl)
1. A narrow purple stripe or a band of purple that was worn by the equites or members of the Roman equestrian order, on each side of the tunic as a sign of rank.
"The equites were an order of knights holding a middle place between the senate and the commonalty or members a social order that was distinguished by wealth and ranking just below the rank of senators."2. Etymology: from Latin angustus, "narrow" + clavus, "a nail, a stripe"; from Roman antiquity.