Where does “emission” come from?

Emission comes from Middle French émission, from Latin emissio, the noun form of emitto meaning "to send out," from ex- "out" and a root meaning "to send."

emission (English): Something which is emitted or sent out; issue;...

Definitions

  1. Something which is emitted or sent out; issue;...

Ancestry of “emission”, step by step

emission traces back through two separate lines of ancestry.

via Middle French émission

StepLanguageWordMeaning
1Middle Frenchémission
2Latinēmissiōa sending out
3Latinēmittōto send forth, emit, discharge
4LatinexA name of the letter "X"; out of, from
5Latincommūnicōto impart, share
6Latincommūniscommon, commonplace, ordinary, general, universal, shared, shared alike, of both sides, belonging to two or more together
7Old Latincom(m)oinis
8Proto-Italickommoiniscommon
9Proto-Indo-Europeanḱom-moy-ni-held in common
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

via French émission

StepLanguageWordMeaning
1Frenchémissionemission; programme, show

Words derived from “emission

Every word from Proto-Indo-European gʷet-Every word from Proto-Germanic kweduzEvery word from Proto-West Germanic kwidu
emission — Etymology, Origin & Word History | Etymology Explorer