The lexicon model for ontologies OntoLex/lemon has been released in May, 2016, following more than 2 years of work of the Ontology-Lexicon (OntoLex) W3C Community Group. Lemon provides rich linguistic grounding for ontologies, including the representation of morphological and syntactic properties of lexical entries as well as the syntax-semantics interface. The rich expressivity of lemon requires however non-trivial modeling, with complex patterns characterized by indirections and reifications, indeed very difficult to handle by general-purpose ontology editing tools providing triple-grained manipulation. Extending such tools with lemon-tailored editing primitives would enable agile editing of lexicons and ontology-lexicon interfaces, while...