Etymology of the English word referential
the English word referential
derived from the English word referent
derived from the Latin word referens
derived from the Medieval Latin word referre (bring, carry back, again; give, pay back, render; it matters, makes a difference, is of importance; report , bring back news; record)
derived from the Latin word ferre (to carry; to bear; bring, bear; tell)
derived from the Proto-Indo-European root *bher-
using the Latin prefix re-
using the English suffix -ial