The story
- Middle English · inherited frompaynful
- English todaypainful
From Middle English paynful, peinful, peynful, paynefull, peynefull, equivalent to pain + -ful. Compare Danish pinefuld (“painful”).
First known use, by meaning
- from 14th c. Causing pain or distress, either physical or mental.
- from 15th c. Afflicted or suffering with pain (of a body part or, formerly, of a person).
- from 15th c. Requiring effort or labor; difficult, laborious.
- from 16th c. Painstaking; careful; industrious.
Etymology from Wiktionary, CC BY-SA 4.0.