English
index finger
From index (“pointing, of the same origin as indicate”) + finger.
A compound of index ‘pointing, of the same origin as indicate’ + finger
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
Proto-Germanic *fingraz ‘finger’
Proto-West Germanic *fingr
Old English finger
Middle English fynger ‘a finger’
English finger
Today it means
noun The forefinger.
Language periods are conventional ranges, not dates for this word.
Etymograph / index finger