παρασυγγραφέω
From LSJ
ἐν ταῖς ἀνάγκαις χρημάτων κρείττων φίλος → it is better in times of need to have friends rather than money, a friend in need is a friend indeed (Menander, Sententiae monostichoi 143)
English (LSJ)
A break contract with, τινα D.56.28 : abs., ib.34, PPetr.3p.161 (iii B.C.) ; τι PTeb.105.34 (ii B.C.), etc.
German (Pape)
[Seite 500] wider den Inhalt des Vertrages od. Contracts, συγγραφή handeln u. dadurch Einen betrügen, οὓς παρασυγγεγράφηκας, Dem. 56, 28. 34; von Poll. 8, 140 erwähnt.