Where does “conspiracy of silence” come from?

conspiracy of silence (English) comes from English conspiracy, from Middle English conspiracie, from Anglo-Norman conspiracie, from Latin cōnspīrātiō, from Latin cōnspīrō, from Latin cōn-, from Latin cum, from Old Latin com — to bend; curve; arch; vault; to bow, bend, arch,...

Ancestry of “conspiracy of silence”, step by step

conspiracy of silence traces back through 3 separate lines of ancestry.

via English conspiracy

StepLanguageWordMeaning
1EnglishconspiracyThe act of two or more persons, called...
2Middle Englishconspiracie
3Anglo-Normanconspiracie
4Latincōnspīrātiōunion, unanimity, concord, harmony
5Latincōnspīrōto plot or conspire
6Latincōn-Used in compounds to indicate a being or bringing together of several objects
7Latincumwith, along with; at; -fold
8Old LatincomAlternative form of cum
9Proto-Italickomwith, along, at
10Proto-Indo-Europeanḱómbeside, near, by, with
11Proto-Indo-EuropeanḱeDeictic particle, here; Post-positional...
12Middle Englishkyt
13Germankittputty certain kinds of cement used for fixing e.g. window panes
14Old High Germankuti
15Proto-West Germanickwidugum, resin
16Proto-Germanickweduzresin
17Proto-Indo-Europeangʷet-resin, gum; to say, speak
18Proto-Indo-Europeangū-to bend; curve; arch; vault; to bow, bend, arch,...

via English silence

StepLanguageWordMeaning
1EnglishsilenceThe absence of any sound; The act of refraining...
2Middle EnglishsilenceSilence; the state of refraining or refusing to...
3Old Frenchsilence
4Latinsilentiumsilence, stillness, quiet, noiselessness;...
5Latin-iumSuffix used to form abstract nouns, sometimes...
6Latin-iusforming adjectives from nouns; nominative neuter...
7Proto-Italic-jōsForms comparative adjectives
8Proto-Indo-European-yósCreates adjectives from noun or verb stems

via English of

StepLanguageWordMeaning
1EnglishofAPI; Expressing distance or motion; "Expressing...
2Middle Englishofof; off; until
3Old Englishofof, from, off, out of
4Old Englishæfof
5Proto-Germanic*ab
6Proto-Indo-Europeanapó
Every word from Proto-Indo-European gū-
conspiracy of silence — Etymology, Origin & Word History | Etymology Explorer