Where does “decompressor” come from?

decompressor (English) comes from English decompress, from English compress, from Middle French compresse, from Late Latin compressare, from Latin compressus, from Latin comprimō, from Latin cōn-, from Latin cum — resin, gum; to say, speak.

decompressor (English): That which decompresses

Definitions

  1. That which decompresses

Ancestry of “decompressor”, step by step

decompressor traces back through two separate lines of ancestry.

via English decompress

StepLanguageWordMeaning
1EnglishdecompressTo relieve the pressure or compression on...
2EnglishcompressTo make smaller; to press or squeeze together, or...
3Middle Frenchcompresse
4Late Latincompressareto press hard/together
5Latincompressuscompressed, restrained, repressed
6Latincomprimōto compress (squeeze together)
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 ‐or

StepLanguageWordMeaning
1English‐orCreates an agent noun, often from a verb, indicating a person or object (often machines or parts of them) that do the verb or part of speech with which they are formed
2Middle English-our
3Old French-eorAlternative form of -or
4Latin-ator-ator, -er; second-person singular future passive...
5Latin-tor-er
6Proto-Italic-tōrForms agent nouns to verb stems
7Proto-Indo-European-tōrDerives agent nouns from verbs, denoting someone...
8Proto-Indo-European-tor-s
Every word from Proto-Indo-European gʷet-Every word from Latin cōn-Every word from Proto-Germanic kweduz