Where does “companding” come from?

companding (English) comes from English expanding, from English expand, from Anglo-Norman espaundre, from Old French espandre, from Latin expandere, from Latin expando, from Latin ex-, from Latin e — to bend; curve; arch; vault; to bow, bend, arch,...

companding (English): A process in which noise in a signal is reduced...

Definitions

  1. A process in which noise in a signal is reduced...

Ancestry of “companding”, step by step

companding traces back through two separate lines of ancestry.

via English expanding

StepLanguageWordMeaning
1Englishexpandingpresent participle of expand
2EnglishexpandTo change from a smaller form and/or size to a...
3Anglo-NormanespaundreAlternative form of espandre
4Old Frenchespandreto spread out; to blossom; to destroy, to...
5Latinexpanderethird-person plural perfect active indicative of...
6LatinexpandoI spread out; I expand; I explain
7Latinex-out, away; throughout; thoroughly
8LatineThe name of the letter "E"; out of, from
9LatinexA name of the letter "X"; out of, from
10Latincommūnicōto impart, share
11Latincommūniscommon, commonplace, ordinary, general, universal, shared, shared alike, of both sides, belonging to two or more together
12Old Latincom(m)oinis
13Proto-Italickommoiniscommon
14Proto-Indo-Europeanḱom-moy-ni-held in common
15Proto-Indo-Europeanḱómbeside, near, by, with
16Proto-Indo-EuropeanḱeDeictic particle, here; Post-positional...
17Middle Englishkyt
18Germankittputty certain kinds of cement used for fixing e.g. window panes
19Old High Germankuti
20Proto-West Germanickwidugum, resin
21Proto-Germanickweduzresin
22Proto-Indo-Europeangʷet-resin, gum; to say, speak
23Proto-Indo-Europeangū-to bend; curve; arch; vault; to bow, bend, arch,...

via English compression

StepLanguageWordMeaning
1EnglishcompressionAn increase in density; the act of compressing,...
2Middle Frenchcompressioncompression (act, instance of compressing)
3Latincompressiosqueezing, compression; embrace
4Latincomprimōto compress (squeeze together)
5Latincōn-Used in compounds to indicate a being or bringing together of several objects
6Latin-dōto put
7Proto-Germanic-dô
8SiciliandiUsed to indicate possession, after the thing owned and before the owner; of; ’s
9Latinof; concerning; about
10Latinpostbehind; after, since, besides, except; behind,...
11Latinposteablative singular of postis
12Proto-Italicpostibehind, after
13Proto-Indo-Europeanpóstiafter
14Proto-Indo-Europeanpósafterwards, post; by, at
Every word from Proto-Indo-European gū-Every word from Proto-Indo-European gʷet-Every word from Proto-Germanic kweduz
companding — Etymology, Origin & Word History | Etymology Explorer