confertim

adv.

confertus, A. 2.

I. in a compact body, closely; in milit. lang., of marches, battles, etc. (very rare): sese recipere, Sall. J. 50, 5: et pugnant et cedunt, Liv. 31, 43, 3; 21, 8, 9 Weissenb. ad loc.
Lewis & Short
A Latin Dictionary, 1879
An open-access project