the world > action or operation > inaction > not doing > do nothing [verb (intransitive)] > remain to be done (3)
intransitive. To remain to be done. Chiefly in it rests, there rests, in later use usually with infinitive or that-clause. Now rare.
To be left outstanding after the rest has been done or dealt with in some way. intransitive. With infinitive (now frequently passive infinitive)…