Where does “skyrocket” come from?

Skyrocket derives from English sky and rocket, with rocket coming from Italian rocchetta, a diminutive of rocca, ultimately from Proto-Indo-European (s)kew-.

skyrocket (English): A type of firework that uses a solid rocket...

Definitions

  1. A type of firework that uses a solid rocket...

Ancestry of “skyrocket”, step by step

skyrocket 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 sky

StepLanguageWordMeaning
1EnglishskyThe atmosphere above a given point, especially as...
2Middle EnglishskyThe atmosphere or sky; that which lies above the...
3Old Norseskýcloud
4Proto-Germanicskiwjącloud; sky
5Proto-Indo-European(s)kewH-to cover, bedeck; cover

Words derived from “skyrocket

Every word from Proto-Indo-European -éh₂tos