Where does “rocket scientist” come from?

rocket scientist (English) comes from English rocket, from French roquette, from Italian rocchetta, from Italian rocchetto, from Italian -etto, from English -et, from Middle English -et, from Old French -et — Forms adjectives from nouns, indicating the possession of a thing or a quality.

rocket scientist (English): An aerospace engineer

Definitions

  1. An aerospace engineer

Ancestry of “rocket scientist”, step by step

rocket scientist traces back through two separate lines of ancestry.

via English rocket

StepLanguageWordMeaning
1EnglishrocketA rocket engine; A non-guided missile propelled...
2Frenchroquetterocket weapon
3Italianrocchettaincendiary rocket
4Italianrocchettospool; reel; coil
5Italian-ettoAlterative suffix used to form melioratives,...
6English-etUsed to form diminutives, loosely construed
7Middle English-etForms diminutive nouns from nouns; in some words,...
8Old French-etUsed to form a diminutive, masculine noun;...
9Latin-ātused
10Proto-Italic-ātos
11Proto-Indo-European-éh₂tosForms adjectives from nouns, indicating the possession of a thing or a quality

via English scientist

StepLanguageWordMeaning
1EnglishscientistOne whose activities make use of the scientific...
2English-istAdded to words to form nouns denoting
3Old French-iste
4Latin-ista-ist; one who practises or believes
5Ancient Greek-ιστήςAlternative form of -τής; -ist
6Ancient Greek-τήςAppended to verbs to form agent nouns
7Proto-Hellenic-tās
Every word from Proto-Indo-European -éh₂tos
rocket scientist — Etymology, Origin & Word History | Etymology Explorer