fæstenbryce (Old English) comes from Old English fæsten, from Old English fæst, from Proto-West Germanic fast, from Proto-Germanic fastuz — fixed, firm, secure.
fæstenbryce (Old English): a breach of a fast, fast-breaking, breakfast
Definitions
a breach of a fast, fast-breaking, breakfast
Ancestry of “fæstenbryce”, step by step
fæstenbryce traces back through two separate lines of ancestry.