fluctuatio
From LSJ
Ubi idem et maximus et honestissimus amor est, aliquando praestat morte jungi, quam vita distrahi → Where indeed the greatest and most honourable love exists, it is much better to be joined by death, than separated by life.
Latin > English (Lewis & Short)
fluctŭātĭo: ōnis, f. id.,
I a vibrating to and fro, a fluctuation (not ante-Aug., and very rare).
I Lit., a wavering motion, agitation: tunc artus trepidi, inquietae manus, totius corporis fluctuatio, Sen. de Ira, 2, 35, 3.—
II Trop., wavering, hesitation, vacillation of the mind: in ea fluctuatione animorum opprimi incautos posse, Liv. 9, 25, 6; Vulg. Sirach, 40, 4.