Where does “index finger” come from?

index finger (English) comes from English index, from Latin index, from Latin dīcō, from Latin -tiō, from Latin dissertātiō, from Latin dissertus, from Latin disserere, from Latin dis- — small stone, pebble; gravel, rubble.

index finger (English): the forefinger

Definitions

  1. the forefinger

Ancestry of “index finger”, step by step

index finger traces back through two separate lines of ancestry.

via English index

StepLanguageWordMeaning
1EnglishindexAn alphabetical listing of items and their...
2LatinindexA pointer, indicator; The index finger,...
3Latindīcōto say, talk, speak, utter, mention
4Latin-tiōtion, -ation, -ing
5Latindissertātiō(spoken) dissertation, discourse, disquisition
6Latindissertusarranged, disposed; explained
7Latindissereresecond-person singular future passive indicative...
8Latindis-asunder, apart, in two; reversal, removal;...
9Latincalceusshoe
10Latincalxlimestone; chalk; the finish line
11Ancient Greekχάλιξsmall stone, pebble; gravel, rubble

via English finger

StepLanguageWordMeaning
1EnglishfingerA slender jointed extremity of the human hand, (often) exclusive of the thumb, and the corresponding part, irrespective of including a thumb, in many other animals
2GermanFingerfinger
3Middle High Germanvingerfinger
4Old High Germanfingarfinger
5Proto-West Germanicfingrfinger
6Proto-Germanicfingrazfinger
7Proto-Indo-Europeanpenkʷrós
Every word from Ancient Greek χάλιξEvery word from Latin -tiōEvery word from Latin dis-