Where does “industrial espionage” come from?

industrial espionage (English) comes from English industrial, from French industriel, from French -iel, from French -el, from Old French -el, from Latin -ellus, from Latin -ulus, from Proto-Italic -olos — Forms agent nouns from verbal roots.

industrial espionage (English): The use of clandestine methods to acquire secret...

Definitions

  1. The use of clandestine methods to acquire secret...

Ancestry of “industrial espionage”, step by step

industrial espionage traces back through two separate lines of ancestry.

via English industrial

StepLanguageWordMeaning
1EnglishindustrialOf or relating to industry, notably...
2Frenchindustrielindustrial; industrialist; industry
3French-ielSuffix used to form adjectives. Compare with...
4French-elTo make an adjectival form of a noun; -al
5Old French-elSuffix that usually denotes a masculine noun
6Latin-ellusAlternative form of -ulus; "forming masculine...
7Latin-ulusUsed to form a diminutive of a noun, indicating...
8Proto-Italic-olos
9Proto-Italic-elosForms desubstantival and deadjectival diminutive nouns
10Proto-Indo-European-e-lós
11Proto-Indo-European-lósForms agent nouns from verbal roots

via English espionage

StepLanguageWordMeaning
1EnglishespionageThe act or process of learning secret information...
2Frenchespionnageespionage; spying
3Frenchespionnerto spy
4Frenchespionspy
5Middle Frenchespion
6Old Frenchespionspy
7Frankish*spehō
8Frankishspehōnto spy, watch; to peer, to look, to spy
9Proto-Germanicspehōnąto peer, look, spy
10Proto-Indo-Europeanspeḱ-to see, to look, to observe
Every word from Proto-Indo-European -lós