impigritas
From LSJ
τῶν δ᾽ ὀρθουμένων σῴζει τὰ πολλὰ σώμαθ᾽ ἡ πειθαρχία → But of those who make it through, following orders is what saves most of their lives (Sophocles, Antigone 675f.)
Latin > English (Lewis & Short)
impī̆grĭtas: (inp-), ātis, f. impiger,
I activity, indefatigableness: viri fortissimi fortitudinis, impigritatis, patientiae, Cic. Rep. 3, 28, 40 (ap. Non. 125, 22).
Latin > French (Gaffiot 2016)
impĭgrĭtās, ātis, f. (impiger), activité, diligence : Cic. Rep. 3, 40.
Latin > German (Georges)
impigritās, ātis, f. (impiger), die Unverdrossenheit, Cic. de rep. 3, 40.