Where does “retro-engineering” come from?

retro-engineering (English) comes from English engineering, from English engineer, from Middle English engyneour, from Old French engigneor, from Latin ingeniator, from Latin ingeniārius, from Latin ingenium, from Latin gignere — to produce, to beget, to give birth.

retro-engineering (English): The practice of fitting an earlier or superseded design or part to a machine etc. to achieve a specific purpose

Definitions

  1. The practice of fitting an earlier or superseded design or part to a machine etc. to achieve a specific purpose

Ancestry of “retro-engineering”, step by step

retro-engineering traces back through two separate lines of ancestry.

via English engineering

StepLanguageWordMeaning
1Englishengineeringpresent participle of engineer; The application...
2EnglishengineerA person who is qualified or professionally...
3Middle Englishengyneour
4Old Frenchengigneordeceiver; one who deceives; engineer
5Latiningeniatorengineer
6Latiningeniāriusan engineer
7Latiningeniuminnate or natural quality, natural character;...
8Latingigneresecond-person singular future passive indicative...
9Latingenereablative singular of genus; to beget, produce
10Latingenusbirth, origin, lineage, descent; kind, type,...
11Proto-Italicgenoslineage, origin
12Proto-Indo-Europeanǵénh₁osrace, lineage
13Proto-Indo-Europeanǵenh₁-to produce, to beget, to give birth

via English retro

StepLanguageWordMeaning
1EnglishretroOf, or relating to, the past, past times, or the...
2Frenchrétroshortening of rétroviseur, mirror; retro
3Frenchrétroviseurrear-view mirror
4Frenchrétro-retro-, back, behind
5Latinretrōback, backwards, behind
6Latindūcere
7Proto-Italicdoukōlead
8Proto-Indo-Europeandéwketi
9Proto-Indo-Europeandewk-to pull, to draw; to lead
Every word from Proto-Indo-European ǵenh₁-
retro-engineering — Etymology, Origin & Word History | Etymology Explorer