The word is so old, that while it did not develop in Britain, American English undoubtedly inherited it from British English.
The word 'faucet' is called a tap in British English.American English also uses the word 'tap' for a faucet.
In British English the word homebody means someone that likes to stay at home all the time.
Yes it can be an adjective when referring to someone being British. It's also a proper noun. (e.g. when referring to "The British")
It's the same in all dialects of English.
It's an English word derived from the French word Automne
Autumn
autunno
The word for the season which Americans call 'Fall' (and British people call Autumn) is Autuma The word for the verb 'to fall' is cadere
'Aki'.
Fall.
Fallfall
Otoño is the Spanish word for "autumn".
It is 'aki,' written: 秋
Autunno is an Italian equivalent of the English word "autumn." The masculine singular noun also may be rendered into English as the "fall" season. The pronunciation will be "ow-TOON-no" in Italian.
Autumn, also known as Fall.
It's the same in British English as it is in North American English.