[1] Perhaps in the sense -- whether or not intended by this glossator -- of being disadvantaged by their cancellation. For the verb xrewkope/w see LSJ s.v. at web address 1 below. Its form here, present indicative middle/passive third person singular, must be quoted from somewhere.
[2] Diodorus Siculus 26.33 (on the year 173 BCE) using not the headword verb but the related noun xrewkopi/a ('debt-cancellation'). Compare generally chi 462.