Where does “Extension” come from?

Extension comes from Old French estension, from Latin extensio (a stretching out), derived from Latin ex- (out) and tendere (to stretch).

Extension (English): The act of extending; a stretching out;...

Definitions

  1. The act of extending; a stretching out;...

Ancestry of “Extension”, step by step

StepLanguageWordMeaning
1Old Frenchestension
2Latinextensioextension, stretching; swelling, tumour
3Latin-tiōtion, -ation, -ing
4Latindissertātiō(spoken) dissertation, discourse, disquisition
5Latindissertusarranged, disposed; explained
6Latindissereresecond-person singular future passive indicative...
7Latindis-asunder, apart, in two; reversal, removal;...
8Latincalceusshoe
9Latincalxlimestone; chalk; the finish line
10Ancient Greekχάλιξsmall stone, pebble; gravel, rubble

Words derived from “Extension

Every word from Ancient Greek χάλιξ