Middle English porke despyne, porkepyn, etc., from Old French and Provencal porc espin (c 1220 in Godef.), also porc d'espine (c 1275) = Spanish puerco espin, Portugese porco espinho, Italian porcospino (also porco spinoso), corresp. to a Latin type *porcus spinus; from porco, porc:—Latin porcus hog, pig + spino, espin, épin, deriv. of Latin spīna thorn (cf. Latin spīnus, Spanish espin, Old French espin a thorn-tree).
From: Wit and Mirth Or Pills to Purge Melancholy:
Being a Collection of the Best Songs Merry Ballads and Songs, Old and New
Compleat, Pleasant and Divertive, &c. Volume III, 1719
A True Relation of the Dreadful Combate between More of More-Hall,
and the Dragon of Wantley.