ineluctable
Impossible to avoid or escape; inescapable, irresistible.
God indeed (if it please him) can by his absolute power over his Creature, make him act this thing, or take that thing, by ineluctable Necessity, and whether he will or no.
Where it comes from
From Middle French inéluctable (whence in- + e- and -able), from Latin inēlūctābilis, from in- + ēlūctor (“struggle out”) + -bilis.
Adapted from the Wiktionary entry ineluctable (CC BY-SA 4.0).