דָּהַם

From LSJ

Ἴσον θεῷ σου τοὺς φίλους τιμᾶν θέλε → Honora amicos tamquam honorares deos → Verehre willig deine Freunde Göttern gleich

Menander, Monostichoi, 269

English (Strong)

a primitive root (compare דּ֫וּחַ); to be dumb, i.e. (figuratively) dumbfounded: astonished.