ἀποσωρεύω
From LSJ
τὸ πλῆθος οὐκ εὐαρίθμητον ἦν → the crowd wasn't easy to count, the crowd was not small, it was not a small crowd
English (LSJ)
heap up, accumulate, AB432, Hsch. s.v. ἀποθησαμένη.
Spanish (DGE)
amontonar, acumular Hsch.s.u. ἀποθησαμένη, AB 432
•fig. ἀσφάλειαν Cyr.Al.M.77.536C.
German (Pape)
[Seite 329] abhäufen, abpacken, Sp.