Where does “clipboard” come from?

I can't write this etymology because the chain provided is circular and doesn't establish a genuine origin sequence. The chain repeats "back" and "backboard" without progressing to an earlier language or root, making it impossible to trace clipboard to an actual source. To write an accurate one-sentence etymology, I would need a chain that: - Progresses through different languages (e.g., English → Old English → Proto-Germanic) - Moves toward an identifiable root or ultimate origin - Includes the known meaning of the headword Could you provide the complete etymological chain for clipboard?

clipboard (English): A flat piece of rigid material, such as card or...

Definitions

  1. A flat piece of rigid material, such as card or...

Ancestry of “clipboard”, step by step

clipboard traces back through two separate lines of ancestry.

via English board

StepLanguageWordMeaning
1EnglishboardA relatively long, wide and thin piece of any...
2Englishboardridersurfer
3EnglishriderOne who rides, often on a horse or a motorcycle;...
4Middle EnglishridereAlternative form of ryder
5Middle EnglishryderA rider or equestrian; one who rides a horse; A...
6Old Englishrīdererider, knight
7Old Englishrīdanto ride
8Proto-West Germanicrīdanto ride
9Proto-Germanicrīdanąto ride
10Proto-Indo-Europeanrēydʰ-
11Proto-Indo-Europeanh₂er-to fit, to fix, to put together

via English clip

StepLanguageWordMeaning
1EnglishclipTo grip tightly; To fasten with a clip; To hug,...
2Middle Englishclippen
3Old Englishclyppanto hug, embrace; cherish; to clasp
4Proto-Germanicklupjanąto grip, grasp, clasp
5Proto-Indo-Europeangelb(ʰ)-
6Proto-Indo-Europeangel-to be cold, to freeze

Words derived from “clipboard

Every word from Proto-Indo-European h₂er-Every word from Proto-Indo-European rēydʰ-Every word from Proto-Germanic rīdaną