Where does “prepreg” come from?

prepreg (English) comes from English pre-impregnate, from English impregnate, from Latin impraegnatus, from Latin impraegno, from Latin īn-, from Latin în, from Latin en, from Proto-Italic en — in.

prepreg (English): Fiber material impregnated with its matrix...

Definitions

  1. Fiber material impregnated with its matrix...

Ancestry of “prepreg”, step by step

StepLanguageWordMeaning
1Englishpre-impregnateTo impregnate, as with a matrix material such as...
2EnglishimpregnateTo cause to become pregnant; To fertilize; To...
3Latinimpraegnatusmade pregnant
4LatinimpraegnoI impregnate; I make pregnant
5Latinīn-un-, non-, not
6Latinînin, at, on, upon, from (space)
7Latinenlookǃ beholdǃ; reallyǃ?; come onǃ
8Proto-Italicenin
9Proto-Indo-Europeanh₁énin
Every word from Proto-Indo-European h₁énEvery word from Latin īn-Every word from Proto-Italic en