English word foam comes from Proto-Indo-European *(s)poHimn-, Proto-Indo-European *(s)poH(y)-, and later Proto-Germanic *faimaz (Foam.)
| Dictionary entry | Language | Definition |
|---|---|---|
| *(s)poHimn- | Proto-Indo-European (ine-pro) | |
| *(s)poH(y)- | Proto-Indo-European (ine-pro) | |
| *faimaz | Proto-Germanic (gem-pro) | Foam. |
| fām | Old English (ang) | |
| fam | Old English (ang) | Foam. |
| fom | Middle English (enm) | |
| foam | English (eng) | (intransitive) To form or emit foam.. (intransitive) To spew saliva as foam, to foam at the mouth. (by extension) Sea foam; (figuratively) the sea.. A substance composed of a large collection of bubbles or their solidified remains.. A substance formed by trapping pockets of gas in a liquid or solid. |