ξένῳ δὲ σιγᾶν κρεῖττον ἢ κεκραγέναι → it's better for a stranger to keep silence than to shout (Menander)
pervŏlĭtantĭa: ae, f. pervolito,
I a flying around, circumvolation: mundi circa terram, Vitr. 9, 7.
pervŏlĭtantĭa, æ, f., mouvement continu : Vitr. Arch. 9, 6, 1.