ἄσπιλος
From LSJ
Γελᾷ δ' ὁ μῶρος, κἄν τι μὴ γελοῖον ᾖ → Mens stulta ridet, quando ridendum est nihil → Es lacht der Tor, auch wenn es nichts zu lachen gibt
English (LSJ)
ον, lit.
A stainless: hence, faultless, without blemish, λίθοι IG2.1054c4, cf. AP6.252 (Antiphil.), 1 Ep.Ti.6.14, 1 Ep.Pet.1.19, etc.; ἄ. ἀπὸ παντὸς κινδύνου PMag.Leid.V.8.11: Comp. and Sup. vv. ll. for sq. in Dsc.2.167. II ἄσπιλος· χειμάρρους (Maced.), Hsch.