From Wiktionary, the free dictionary
streng + -e (“ness”)
Strenge f (genitive Strenge, no plural)
- severity, strictness
Declension of Strenge [sg-only, feminine]
- “Strenge” in Digitales Wörterbuch der deutschen Sprache
- “Strenge” in Uni Leipzig: Wortschatz-Lexikon
- “Strenge” in Duden online