duplicō āvī, ātus, āre
duplex, to double, multiply by two, repeat : numerum obsidum, Cs.: copiae duplicantur, L.: duplicato eius diei itinere, Cs.: verba. — Of words, to compound : ad duplicanda verba, L.— To double, enlarge, augment, increase : sol decedens duplicat umbras, V.: duplicata noctis imago est, O.: bellum, Ta.— To double up, bow, bend : duplicato poplite, V.: virum dolore, V.: duplicata volnere caeco, O.