After https://phabricator.wikimedia.org/T203457 language of gloss is displayed. It introduced problem in languages where language name can formulate sentence with text of the gloss. For example in Polish lexeme https://www.wikidata.org/wiki/Lexeme:L29612 name of the language "polski" is in the same gender like gloss text "otrzymywany sztucznie, promieniotwórczy pierwiastek chemiczny" and visually creates new sentence "polski otrzymywany sztucznie, promieniotwórczy pierwiastek chemiczny". It is not visible that "polski" is language name.
Another sideeffect of current state with space for language name is that for longer language name it overwrites gloss text, see below image: