Where does “retropack” come from?

retropack (English) comes from English pack, from Middle English pakken, from Middle English -en, from Old English -en, from Old Norse -inn, from Proto-Norse -īna-, from Proto-Germanic -īnaz, from Proto-Indo-European -iHnos — adjectival suffix.

retropack (English): A group of retrorockets on a spacecraft

Definitions

  1. A group of retrorockets on a spacecraft

Ancestry of “retropack”, step by step

retropack traces back through two separate lines of ancestry.

via English pack

StepLanguageWordMeaning
1EnglishpackA bundle made up and prepared to be carried;...
2Middle EnglishpakkenTo pack; to put into a pack or container; To...
3Middle English-enDenotes the past participle form when attached to...
4Old English-enmæġþ + API → mæġden; cocc + API → cycen, cicen;...
5Old Norse-innUsed to create adjectives from nouns, meaning...
6Proto-Norse-īna-
7Proto-Germanic-īnaz-en
8Proto-Indo-European-iHnosCreates adjectives of materials
9Proto-Indo-European-no-adjectival suffix

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 -no-Every word from Middle English -enEvery word from Proto-Germanic -īnaz