tough
From LSJ
Μούνη γὰρ ἄγειν οὐκέτι σωκῶ λύπης ἀντίρροπον ἄχθος → I have no longer strength to bear alone the burden of grief that weighs me down
English > Greek (Woodhouse)
adjective
P. and V. στερεός, Ar. and V. στερρός. V. στυφλός, περισκελής.
stubborn: P. and V. σκληρός, αὐθάδης.
tough as maple: Ar. σφενδάμνινος (Acharnians 181).
tough as oak: Ar. πρίνινος (Acharnians 180).