The story
- Proto-Indo-European*skend-
- Proto-Indo-European*(s)kn̥d-sleh₂
- Proto-Italic*skand-slā
- Latinscāla
- Middle Englishscale
- Englishscale
- English todayscalable
First known use, by meaning
- from 16th c. Capable of being climbed.
- from 20th c. Able to be changed in scale; resizeable.
- from 1980s Able to greatly increase in capacity, with relative ease.
Etymology from Wiktionary, CC BY-SA 4.0.