Latin Dictionary and Grammar Aid
iter itineris n. [going , way, direction; journey, march; right of way, permission to march]; concr., [way, road]; fig., [way, course, method].
iteratio -onis f. [repetition , iteration].
itero -are [to do a second time , repeat, renew].
iterum [again , a second time]; 'iterum atque iterum', [again and again].