overfeeble
Feeble to an excessive or debilitating degree.
archaic, literary
[…]purſued his vnneighbourly purpoſe in ſuch ſort: that hee being the ſtronger perſwader, and ſhe (belike) too credulous in beleeuing or elſe ouer-feeble in reſiſting, from priuate imparlance, they fell to action; and continued their cloſe fight a long while together, vnſeene and vvithout ſuſpition, no doubt to their equall ioy and contentment.
Where it comes from
From Middle English overfeble; equivalent to over- + feeble.
Adapted from the Wiktionary entry overfeeble (CC BY-SA 4.0).