ETYMOLOGY
from un- + fortunable (favoured by fortune, fortunate → obs.)
EXAMPLE
“…Is not the Realme of Scotland rich ynough to nourish and to bring hir vp? by God, this manner of doing of king Lisuard is so vnfortunable and so farre out of reason, that I had rather die a hudreth fold (if it were possible) than not to be reuenged: and already I haue sent to my father to prouide therefore…”
From: Amadis de Gaula
Translated out of French into English by Thomas Paynell, 1567
Lexicophilia 