θρυώδης
From LSJ
ἀνὴρ ἀχάριστος μὴ νομιζέσθω φίλος → an ungrateful man should not be considered a friend
English (LSJ)
ες, (θρύον)
A full of rushes, rushy, Str.8.3.24, Sch.Il.11.155.
German (Pape)
[Seite 1221] ες, binsenartig, binsenreich, χώρα Strab. VIII, 349.