Where does “laddertron” come from?

laddertron (English) comes from English ladder, from Middle English ladder, from Old English hlǣder, from Proto-West Germanic *hlaidriju, from Proto-Germanic hlaidrijō, from Proto-Indo-European ḱley-, from Proto-Indo-European ḱel- — to cover; to incline.

laddertron (English): A device, in the form of a series of metal bars...

Definitions

  1. A device, in the form of a series of metal bars...

Ancestry of “laddertron”, step by step

laddertron traces back through two separate lines of ancestry.

via English ladder

StepLanguageWordMeaning
1EnglishladderA frame, usually portable, of wood, metal, or...
2Middle Englishladderladder; A frame for a cart
3Old Englishhlǣder
4Proto-West Germanic*hlaidrijuladder
5Proto-Germanichlaidrijōladder
6Proto-Indo-Europeanḱley-to shelter, cover; to lean, slope, incline
7Proto-Indo-Europeanḱel-to cover; to incline

via English tron

StepLanguageWordMeaning
1EnglishtronObsolete form of trone
Every word from Proto-Indo-European ḱel-Every word from Proto-Indo-European ḱley-Every word from Proto-Germanic hlaidrijō