Where does “faste” come from?

faste (Middle English) comes from Old English fæsten, from Old English fæst, from Proto-West Germanic fast, from Proto-Germanic fastuz — fixed, firm, secure.

Ancestry of “faste”, step by step

StepLanguageWordMeaning
1Old Englishfæstenfortress, stronghold, enclosed place
2Old Englishfæstfirm, stable; constant
3Proto-West Germanicfastfixed, fast
4Proto-Germanicfastuzfixed, firm, secure
Every word from Proto-Germanic fastuz →Every word from Proto-West Germanic fast →Every word from Old English fæst →
faste — Etymology, Origin & Word History | Etymology Explorer