Where does “extensionally” come from?

extensionally (English) comes from English extensional, from English Extension, from Middle English extensioun, from Old French estension, from Latin extensio, from Latin -tiō, from Latin dissertātiō, from Latin dissertus — small stone, pebble; gravel, rubble.

extensionally (English): In terms or by means of extension

Definitions

  1. In terms or by means of extension

Ancestry of “extensionally”, step by step

StepLanguageWordMeaning
1EnglishextensionalOf or pertaining to extension; Having great...
2EnglishExtensionThe act of extending; a stretching out; enlargement in length, breadth, or time; an increase
3Middle Englishextensioun
4Old Frenchestension
5Latinextensioextension, stretching; swelling, tumour
6Latin-tiōtion, -ation, -ing
7Latindissertātiō(spoken) dissertation, discourse, disquisition
8Latindissertusarranged, disposed; explained
9Latindissereresecond-person singular future passive indicative...
10Latindis-asunder, apart, in two; reversal, removal;...
11Latincalceusshoe
12Latincalxlimestone; chalk; the finish line
13Ancient Greekχάλιξsmall stone, pebble; gravel, rubble
Every word from Ancient Greek χάλιξ