dura seruitus
http://lila-erc.eu/data/lexicalResources/LatinPortuguese/Fonseca/id/UsageExample/n09577.sg01.s99.u02 <http://www.w3.org/ns/lemon/lexicog#UsageExample>
dura seruitus
Plaut.
Cativeiro cruel
Dura servitus