ἅμιπποι
From LSJ
ἃ γὰρ δεῖ μαθόντας ποιεῖν, ταῦτα ποιοῦντες μανθάνομεν → what we have to learn to do we learn by doing
Russian (Dvoretsky)
ἅμιπποι: οἱ пехота, перемешанная с конницей, по друг. конница, сражавшаяся и в пешем строю Thuc., Xen.
Lexicon Thucydideum
[in multis codd. in many manuscripts ἄνιπποι], pedites equitibus intermixti, infantry mixed with cavalry, 5.57.2.