The point on which a deictic relationship is based.
(syn)
origin (in a system)
(coordinate) origin
(l).
(ant)
(gloss) act, event or process of coming into existence: beginning, origination
(gloss) event or process of being born, birth
(gloss) origin, source
origin
origin (point at which the axes of a coordinate system intersect)
origin (point at which the axes of a coordinate system intersect)