Proto-Germanic
*fastuz
‘fixed, firm, secure’
Every word has its own definition in its root. These English words share one: Proto-Germanic *fastuz.
4 English words in this record descend from Proto-Germanic *fastuz, most familiar first.
- fast ← fæst
- faster ← fast ← fast ← fæst ← *fast
- fasten ← fastenen ← fæstnian ← *fastinōn ← *fast
- fastness ← fastnes ← fæstnes ← fæst ← *fastu
From Wiktionary, by Wiktionary contributors, CC BY-SA 4.0, via kaikki.org (dump of Oct 3 2026); adapted. License.
Etymograph / Proto-Germanic *fastuz