διπλασιασμός
From LSJ
μοχθεῖν τε βροτοῖσ(ιν) άνάγκη → and you mortals must endure trouble (Euripides' Hippolytus 208)
English (LSJ)
ὁ,
A doubling, Antipho Soph.75; τοῦ κύβου Pl.Sis.388e; τοῦ στερεοῦ Plu.2.718f. II Gramm., the Ionic doubling of consonants, as in τόσσος, EM68.47, Eust.73.3, etc. b reduplication, A.D.Synt.323.6. III in Tactics, doubling of front, Ascl. Tact.10.18, etc.; of Numbers, ib.17, etc. IV in Anatomy, cross-action of muscles, Gal.18(2).974. V = δίπλωσις 11, PHolm.1.39.