libratio
From LSJ
ἀλλὰ διὰ τῆς ἀγάπης δουλεύετε ἀλλήλοις. ὁ γὰρ πᾶς νόμος ἐν ἑνὶ λόγῳ πεπλήρωται, ἐν τῷ Ἀγαπήσεις τὸν πλησίον σου ὡς σεαυτόν → but be enslaved to each other through love; for the whole Torah is fulfilled in one statement: You will love your neighbor as yourself (Galatians 5:13f.)
Latin > English (Lewis & Short)
lībrātĭo: ōnis, f. libro.
I A making level, levelling: fortasse qui Archimedis libros legit, dicet non posse fieri veram ex aqua librationem, Vitr. 8, 6, 3.—
II A horizontal position, level: circa terrae librationem, Vitr. 6, 1, 5.—
III A hurling off, hurling, slinging, Diom. p. 473 P.