Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
aequĭmănus, a, um, adj. [aequusmanus], who can use both hands equally well, ambidextrous, ἀμφιδέξιος, Aus. Idyll. 12; Beda Orth. 2329 P.
Trop., of equal skill in two departments or in two pursuits: περιδέξιος, Symm. Ep. 9, 101 (110).