Where does “radioreactivity” come from?

radioreactivity (English) comes from English radio, from English radiotelegraphy, from English telegraphy, from English Telegraph, from French télégraphe, from French télé-, from Ancient Greek τῆλε, from Latin commūnicāre — a wooden vessel made of hooped staves; wooden...

radioreactivity (English): The relative reactivity of cells or organisms to any form of radiation, but especially to the harmful effects of ionizing radiation

Definitions

  1. The relative reactivity of cells or organisms to any form of radiation, but especially to the harmful effects of ionizing radiation

Ancestry of “radioreactivity”, step by step

radioreactivity traces back through two separate lines of ancestry.

via English radio

StepLanguageWordMeaning
1EnglishradioThe technology that allows for the transmission...
2EnglishradiotelegraphyThe process and techniques of sending telegrams...
3Englishtelegraphycommunication at a distance by means of the...
4EnglishTelegraphany process for transmitting arbitrarily long messages over a long distance using a symbolic code
5Frenchtélégraphetelegraph
6Frenchtélé-tele-
7Ancient Greekτῆλεfar off, afar, far away
8Latincommūnicāre
9Latincommūniscommon, commonplace, ordinary, general, universal, shared, shared alike, of both sides, belonging to two or more together
10Old Latincom(m)oinis
11Proto-Italickommoiniscommon
12Proto-Indo-Europeanḱom-moy-ni-held in common
13Proto-Indo-Europeanḱómbeside, near, by, with
14Proto-Indo-EuropeanḱeDeictic particle, here; Post-positional...
15Middle Englishkyt
16Middle Dutchkittea wooden vessel made of hooped staves; wooden...

via English reactivity

StepLanguageWordMeaning
1Englishreactivityresponsiveness to stimulation; relative...
2English-ityUsed to form a noun from an adjective;...
3Middle English-ite
4Old French-ité-ity
5Latin-itās
6Proto-Indo-European-teh₂tsUsed to form nouns representing state of being
7Proto-Indo-European-teh₂Used to form nouns representing state of being
8Proto-Indo-European-tósCreates verbal adjectives from verb stems
Every word from Middle Dutch kitte