ἀνάγκη τὸ κινοῦν ἀντικινεῖσθαι → what incites movement must suffer a counter-movement
con-strātor: ōris, m. sterno,I a leveller, quieter, calmer: maris, Aus. Technop. 12.
cōnstrātŏr, ōris, m. (consterno), qui aplanit : Aus. Idyll. 12, 12.