The story
Blend of gray + asexual, coined by user asexualityrocks in 2008 on the forums of the Asexual Visibility and Education Network about two years after the advent of gray-A and gray asexual.
Etymology from Wiktionary, CC BY-SA 4.0.
graysexual
gray·sex·u·alToday it means: Intermediate between sexual and asexual; sometimes, but not usually, experiencing sexual attraction and desire. Full definition →