English
refidex
From the name (Refidex) of a particular brand of street directory, possibly from a blend of reference + index.
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
Proto-Indo-European *deyḱ- ‘to point out’
Proto-Indo-European *déyḱeti ‘to be pointing out’
Proto-Italic *deikō ‘to show’
Latin dīcō ‘to say, indicate’
Latin index ‘discoverer, informer; forefinger’
English index
Today it means
noun Any street directory.
Language periods are conventional ranges, not dates for this word.
Etymograph / refidex