שְׁמָמָה
From LSJ
Σιγᾶν ἄμεινον ἢ λαλεῖν, ἃ μὴ πρέπει → Decet tacere quam loqui, quae non decet → Schweig besser still, als dass du sagst, was du nicht darfst
or shimamah; feminine of שָׁמֵם; devastation; figuratively, astonishment: (laid, X most) desolate(- ion), waste.