‘Perne’ is an alternate Gaelic spelling of ‘pern.’ And ‘pern’ did appear in my New Shorter OED:

PIRN: noun and verb. Now Scottish and dialect. As noun also ‘pern,’ Late Middle English [origin unknown: cf, ‘pirl’] A) noun: 1. a small cylinder on which thread, etc. is wound; a bobbin, a spool, a reel; this wound with thread, etc. 2. Thread wound on a bobbin, etc. ‘rare.’ Early 18th century. B) verb transitive: Wind or reel (thread, etc.) on a bobbin, etc. Scottish. Early 19th century.

PIRL: verb and noun Scottish dialect. Late Middle English [probably imitative] A) verb transitive and intransitive: Whirl, revolve. Late Middle English. 2. Twist or spin (threads or fibers) into cord, braid, etc. Early 16th century. 3. verb intransitive: Of water smoke, etc.: curl, ripple. Late 18th century. B) noun: A ripple on water, a twist, a curl. Late 15th century.

GYRE: noun, Mid-16th century [Latin ‘gyrus’ from Greek ‘guros’] I. .Chiefly poetical and literary. 1) A circular movement or turn; a revolution, a gyration. Mid-16th century. 2. A circle, a spiral; a vortex. Late 16th century <. . .felt the new day come up . . and life begin once more in ancient, ceaseless gyre.>