Do you know ghouls from goblins and ghosts?
late 14c., gaspen, of uncertain origin, perhaps from Old Norse geispa "to yawn," or its Danish derivative gispe "gasp," which probably are related to Old Norse gapa (see gape). Related: Gasped; gasping.
1570s, from gasp (v.).
1. Graph Algorithm and Software Package. 2. General Activities Simulation Program. 3. General Aerodynamic Simulation Program. (2003-09-27)