Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
ălĭquantorsum, adv. of place [aliquanto-versum], somewhat toward (a place). Perlati aliquantorsum longius, quam sperabamus, pergamus ad reliqua, on some what, Amm. 22, 8, 48.