rigidity
From LSJ
εἰρήνην καλεῖς δὴ τὸ πολέμου τέλος → do you actually call the end of war peace, do you in fact call peace the end of war
εἰρήνην καλεῖς δὴ τὸ πολέμου τέλος → do you actually call the end of war peace, do you in fact call peace the end of war
hardness: P. σκληρότης, ἡ, στερεότης, ἡ.
rigidity of the muscles: P. τέτανος, ὁ.
sternness: P. χαλεπότης, ἡ; see sternness.
obstinacy: P. αὐθάδεια, ἡ, σκληρότης, ἡ, Ar. and V. αὐθαδία,