Where does “speedbooster” come from?

speedbooster (English) comes from English booster, from English -er, from Middle English -er, from Old French -er, from Latin -āre, from Proto-Italic -āō, from Proto-Indo-European -eh₂yéti, from Proto-Indo-European -yéti — he, she.

speedbooster (English): A secondary lens mounted between the camera and a photographic lens so as to reduce the central part of an image obtained by the objective lens while concentrating the light rays on a smaller area

Definitions

  1. A secondary lens mounted between the camera and a photographic lens so as to reduce the central part of an image obtained by the objective lens while concentrating the light rays on a smaller area

Ancestry of “speedbooster”, step by step

speedbooster traces back through two separate lines of ancestry.

via English booster

StepLanguageWordMeaning
1EnglishboosterSomething that boosts; The first stage of a...
2English-erA person or thing that does an action indicated...
3Middle English-eragentive suffix; agent noun suffix
4Old French-erAlternative form of -ier, verbal suffix;...
5Latin-ārefirst conjugation
6Proto-Italic-āōForms primarily denominative verbs
7Proto-Indo-European-eh₂yétiCreates iterative/ frequentative/ intensive...
8Proto-Indo-European-yétiCreates intransitive, often deponent,...
9Proto-Indo-Europeanyé-
10Chichewaiyehe, she

via English Speed

StepLanguageWordMeaning
1EnglishSpeedThe state of moving quickly or the capacity for rapid motion
2Middle Englishspedgood fortune
3Old Englishspēdsuccess; luck, prosperity, success
4Proto-West Germanicspōdihurry, rush; success, prosperity
5Proto-West Germanicspōanto succeed, prosper
6Proto-Germanicspōanąto prosper, succeed, be happy
7Proto-Indo-Europeanspéh₁-to succeed, to prosper
8Proto-Indo-Europeanspeh₁-to succeed, to prosper
Every word from Chichewa iye