bosten (Middle English) comes from Middle English bost, from Anglo-Norman bost, from Proto-Germanic bausuz, from Proto-Indo-European bʰew- — to grow, swell; to swell, wax, grow; to blow; to...
bosten (Middle English): to threaten
Definitions
to threaten
Ancestry of “bosten”, step by step
bosten traces back through two separate lines of ancestry.