Where does “seafoam” come from?

seafoam (English) comes from English foam, from Middle English fom, from Old English fām, from Proto-West Germanic *faim, from Proto-Germanic faimaz, from Proto-Indo-European (s)poHy-m-os, from Proto-Indo-European (s)poH(y)-, from Proto-Indo-European speh₁- — to succeed, to prosper.

seafoam (English): A foam created by the agitation of seawater

Definitions

  1. A foam created by the agitation of seawater

Ancestry of “seafoam”, step by step

seafoam traces back through 3 separate lines of ancestry.

via English foam

StepLanguageWordMeaning
1EnglishfoamA substance composed of a large collection of...
2Middle EnglishfomAlternative form of fome
3Old Englishfāmfoam
4Proto-West Germanic*faimfoam, froth
5Proto-Germanicfaimazfoam
6Proto-Indo-European(s)poHy-m-os
7Proto-Indo-European(s)poH(y)-foam
8Proto-Indo-Europeanspeh₁-to succeed, to prosper

via English sea

StepLanguageWordMeaning
1EnglishseaA large body of salt water; A lake, especially if...
2Middle Englishseesea, ocean; A body of water, a lake; seat, chair
3Old Englishsea, lake
4Proto-West Germanicsaiwisea
5Proto-Germanicsaiwizsea, ocean
6Proto-Germanicsīhwanąto filter
7Proto-Indo-Europeanseykʷ-to moisten; to filter
8Proto-Indo-Europeansey-to be wet; dribble; run; to stretch one's arm;...

via Middle English see fom

StepLanguageWordMeaning
1Middle Englishsee fom
Every word from Proto-Indo-European speh₁-Every word from Proto-Indo-European (s)poH(y)-Every word from Proto-Indo-European (s)poHy-m-os