Where does “write-down” come from?

write-down (English) comes from English down, from Middle English doune, from Old English dūne, from Old English adūne, from Old English ofdūne, from Old English dūn, from Proto-Germanic *dūnā, from Proto-Celtic dūnom — smoke; mist, haze.

write-down (English): a depreciation, or a lowering in the price or...

Definitions

  1. a depreciation, or a lowering in the price or...

Ancestry of “write-down”, step by step

write-down traces back through two separate lines of ancestry.

via English down

StepLanguageWordMeaning
1EnglishdownFrom a higher position to a lower one; downwards;...
2Middle Englishdoune
3Old Englishdūnehill; down, downward
4Old Englishadūne
5Old Englishofdūneoff the hill; down
6Old Englishdūnhill, down; hill, dune; hill, mountain
7Proto-Germanic*dūnā
8Proto-Celticdūnomstronghold, rampart
9Proto-Indo-Europeandʰewh₂-smoke; mist, haze

via English write

StepLanguageWordMeaning
1EnglishwriteTo form letters, words or symbols on a surface in...
2Middle EnglishwritenTo write draw letters on paper to form words; note the following common specialised senses
3Old Englishwrītanto incise, engrave; to scratch, carve, write; to...
4Proto-West Germanicwrītanto scratch, to carve
5Proto-Germanicwrītanąto scratch, carve; to engrave, inscribe, write
6Proto-Indo-Europeanwēr-true
7Proto-Indo-Europeanwer-to burn; to cover, heed, notice; squirrel
Every word from Proto-Indo-European dʰewh₂-Every word from Proto-Celtic dūnomEvery word from Proto-Germanic *dūnā