Sentence:  Its citizens spoke all of the world 's surviving tongues , plus a <WSD>new</WSD> one called Lingo , a pidgin whose vocabulary was derived from the other six and whose syntax was so simple it could be contained on half a sheet of paper . 
Meaning of the word marked with <WSD> tags:  not of long duration; having just (or relatively recently) come into being or been made or acquired or discovered