Where does “waterbed” come from?

waterbed (Dutch) comes from Dutch bed, from Middle Dutch bedde, from Old Dutch bedde, from Proto-West Germanic badi, from Persian بدی, from Persian بد, from Middle Persian 𐭯𐭥𐭭, from Proto-Iranian pati- — to fit, to fix, to put together.

waterbed (Dutch): waterbed mattress filled with water; bed with such a mattress

Definitions

  1. waterbed mattress filled with water; bed with such a mattress

Ancestry of “waterbed”, step by step

waterbed traces back through two separate lines of ancestry.

via Dutch bed

StepLanguageWordMeaning
1Dutchbedbed; patch, bed; layer, often a substratum
2Middle Dutchbeddebed; bedding, mattress, pillow
3Old Dutchbedde
4Proto-West Germanicbadibed
5Persianبدیbadness
6Persianبدbad; not good; evil; poorly, badly
7Middle Persian𐭯𐭥𐭭to; at; in
8Proto-Iranianpati-against, toward; lord
9Proto-Iranian*rādi-
10Proto-Iranian*rād-
11Proto-Indo-IranianHraHdʰ-
12Proto-Indo-EuropeanHreh₁dʰ-to think; to arrange; to succeed, accomplish
13Proto-Indo-Europeanh₂reh₁-to think, reason; to arrange
14Proto-Indo-Europeanh₂er-to fit, to fix, to put together

via Dutch water

StepLanguageWordMeaning
1Dutchwaterwater; body of water; bodily fluid
2Middle Dutchwāterwater
3Middle Dutchloosacred wood, forest; forest, thicket
4Old Dutchforest
5Proto-West Germaniclauhclearing; meadow
6Proto-Germaniclauhazclearing; meadow
7Proto-Indo-Europeanlówkosclearing; open space, clearing; field, meadow
8Proto-Indo-Europeanlewḱ-lynx
9Proto-Indo-Europeanlewk-bright; to shine; to see
Every word from Proto-Indo-European h₂er-Every word from Proto-Indo-European h₂reh₁-Every word from Proto-Indo-European Hreh₁dʰ-
waterbed — Etymology, Origin & Word History | Etymology Explorer