The story
From wrench (verb) + -ful. Compare Middle English wrenchful (“crafty, deceitful”).
Etymology from Wiktionary, CC BY-SA 4.0.
wrenchful
Today it means: Causing great pain, suffering, or agony; painful Full definition →
Today it means: Causing great pain, suffering, or agony; painful Full definition →
From wrench (verb) + -ful. Compare Middle English wrenchful (“crafty, deceitful”).
Etymology from Wiktionary, CC BY-SA 4.0.