According to Boone, "from an archive text, cited in the WNT" (Woordenboek der Nederlandsche Taal).
Sources
Boone, p.21, 93 (note 59: »WNT).
Web
➺ WNT (Moezel: »Poirters) & WNT (Zakpijp [1]: »Poirters) [NB: To enable reading the entire text, the page needs to be "unfolded": Activate subbetekenissen ▀ | citaten ▀ (➺ top left), or click on + | ↪ (in the text); ws]