Etymograph

English

referential

From reference + -ial.

A compound of reference + -ial

Proto-Indo-European *bʰer- ‘to bear, carry’

…

Latin referō ‘to carry back; to return, reply’

Latin referēns ‘returning’

Medieval Latin referentia

Middle French référence

English reference

Today it means

adj Of a word or phrase applied to a particular person, place, or thing and not to any other.

Language periods are conventional ranges, not dates for this word.

Etymograph / referential