purlin

• purline

Uncertain. Information on the etymology is scant at best. According to Websters it comes from 15th-century English. According to the Oxford Concise Dictionary, it is "Middle English, perhaps of French origin". Other sources reference Middle English or 15th-century English.

This etymology is incomplete. You can help Wiktionary by elaborating on the origins of this term.

• (US) IPA^(key): [ˈpɜːɹlɪn]

purlin (plural purlins)

1. A longitudinal structural member bridging two or more rafters of a roof.
   • 2018, R. S. Holt, Modern Magic: Stories of the Overbury Shops:

     The loft was broad and high, with splendid rough-cut oak purlins and three large Veluxes.

• (longitudinal structural member of a roof): purlin plate, principal purlin, common purlin

•   purlin on Wikipedia.Wikipedia