sophrosyne
noun
so·phros·y·ne
səˈfräsᵊn(ˌ)ē
plural -s
1
: temperance sense 2
2
a
: self-control
b
: prudence —contrasted with hubris
Word History
Etymology
Greek sōphrosynē, from sōphrōn being of sound mind, prudent, reasonable (from saos, sōs whole, safe, sound + -phrōn; akin to Greek phrēn mind) + -sȳnē, suffix used to form abstract nouns