Where does “slideshow” come from?

Slideshow comes from English show, which derives from Middle English schewen, Old English scēawian meaning "to look or see," from Proto-Germanic skawwōną, ultimately from Proto-Indo-European sleydʰ-.

slideshow (English): A presentation of a series of photographic...

Definitions

  1. A presentation of a series of photographic...

Ancestry of “slideshow”, step by step

slideshow traces back through two separate lines of ancestry.

via English slide

StepLanguageWordMeaning
1EnglishslideTo move in continuous contact with a surface; To...
2Middle EnglishslidenTo slide; to propel oneself along a surface; To...
3Old Englishslīdanto slide
4Proto-Germanicslīdanąto slide, to slip
5Proto-Indo-Europeansléydʰ-e-ti
6Proto-Indo-Europeansleydʰ-to slip, slide; to be slippery, slick

via English show

StepLanguageWordMeaning
1EnglishshowTo display, to have somebody see; To bestow; to...
2Middle Englishschewento show
3Old Englishscēawianto look, look at, exhibit, display; to look at,...
4Proto-Germanicskawwōnąto look, see, watch
5Proto-Indo-European(s)kewh₁-to perceive; to observe
Every word from Proto-Indo-European sleydʰ-Every word from Proto-Indo-European sléydʰ-e-tiEvery word from Proto-Germanic slīdaną