Where does “noncompositionality” come from?

noncompositionality (English) comes from English noncompositional, from English compositional, from English composition, from Middle English composicioun, from Old French composicion, from Latin compositiō, from Latin cōn-, from Latin cum — resin, gum; to say, speak.

Ancestry of “noncompositionality”, step by step

noncompositionality traces back through two separate lines of ancestry.

via English noncompositional

StepLanguageWordMeaning
1EnglishnoncompositionalNot compositional
2EnglishcompositionalOf or pertaining to composition; Being the sum of...
3EnglishcompositionThe act of putting together; assembly; A mixture...
4Middle EnglishcomposiciounThe makeup, ingredients, or composition of...
5Old Frenchcomposicioncomposition
6Latincompositiōarrangement, combination
7Latincōn-Used in compounds to indicate a being or bringing together of several objects
8Latincumwith, along with; at; -fold
9Old LatincomAlternative form of cum
10Proto-Italickomwith, along, at
11Proto-Indo-Europeanḱómbeside, near, by, with
12Proto-Indo-EuropeanḱeDeictic particle, here; Post-positional...
13Middle Englishkyt
14Germankittputty certain kinds of cement used for fixing e.g. window panes
15Old High Germankuti
16Proto-West Germanickwidugum, resin
17Proto-Germanickweduzresin
18Proto-Indo-Europeangʷet-resin, gum; to say, speak

via English ity

StepLanguageWordMeaning
1Englishity
2Ingrian-uUsed to form nouns from verbs
Every word from Proto-Indo-European gʷet-Every word from Latin cōn-Every word from Proto-Germanic kweduz