1905-10; <
Spanish: property, real estate, farm (apparently orig., amount left over; hence, a sum of money > income from a property > the property itself), derivative of
Old Spanish fincar to remain, stative derivative of
fincar (
Spanish hincar) to drive in, fix, sink (a nail), alteration of
ficar (<
Vulgar Latin *fīgicāre, for
Latin fīgere; cf.
fichu), with
-n- perhaps from dial.
finsar to mark out (ultimately <
*fīxāre; see
fix)