Where does “subfunction” come from?

subfunction (English) comes from English function, from Middle French function, from Latin functiō, from Latin -tiō, from Latin dissertātiō, from Latin dissertus, from Latin disserere, from Latin dis- — small stone, pebble; gravel, rubble.

subfunction (English): A secondary or subsidiary function

Definitions

  1. A secondary or subsidiary function

Ancestry of “subfunction”, step by step

subfunction traces back through two separate lines of ancestry.

via English function

StepLanguageWordMeaning
1EnglishfunctionWhat something does or is used for; A...
2Middle Frenchfunctionfunction what something's intended use is
3Latinfunctiōperformance, execution (of a task)
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 sub

StepLanguageWordMeaning
1EnglishsubA submarine; A submarine sandwich: a sandwich...
2EnglishsubstituteTo use in place of something else, with the same...
3Middle Englishsubstituten
4Latinsubstitutussubstituted
5LatinsubstituoI place next to, under, or instead of; I...
6LatinstatuoI set up, station; I establish, determine, fix; I...
7Latinstātusfixed, set, having been set
8Latinstōto stand
9Proto-Italicstaēōstand
10Proto-Indo-Europeansth₂éh₁yetito stand
11Proto-Indo-European*steh₂-
Every word from Ancient Greek χάλιξEvery word from Latin -tiōEvery word from Latin dis-