The story
- Anglo-Norman · derived fromsupposaille
- English todaysupposal
From Anglo-Norman supposaille, supposail. By surface analysis, suppose + -al.
First known use, by meaning
- from 15th c. The act of supposing; supposition.
- from 16th c. Something supposed; a supposition, a hypothesis.
Etymology from Wiktionary, CC BY-SA 4.0.