top-heavy
From LSJ
οὖρος ὀφθαλμῶν ἐμῶν αὐτῇ γένοιτ' ἄπωθεν ἑρπούσῃ → let a fair wind be with her as she goes from my sight, let her go as quick as may be
the building becoming top-heavy suddenly collapsed: P. τὸ οἴκημα λαβὸν μεῖζον ἄχθος ἐξαπίνης κατερράγη (Thuc. 4, 115).
