The story
- Old French · derived fromporloignier
- Anglo-Norman · derived frompurloigner“to put far away”
- Middle English · inherited frompurloynen“to remove”
- English todaypurloin
From Middle English purloynen (“to remove”), borrowed from Anglo-Norman purloigner (“to put far away”), one of the variants of Old French porloignier. Doublet of prolong.
Etymology from Wiktionary, CC BY-SA 4.0.