indexal
indexal
(ɪnˈdɛksəl)adj
(Linguistics) linguistics (in the science of communication, of a sign) pointing out or indicating its referent, in cases where there is a causal link between the sign and the referent
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014