Buggery is part of British English. Meaning of this word is very close to the word sodomy. This is often used in popular speech and law. In English Common Law there was a pecific criminal offence.
In English low buggery was first used in Buggery Act 1533.
Both Bugger and Buggery are used in modern English. The word ‘Buggery’ also synonymous with anal sex.
The word Buggery made from a french word “bougre”. Buggery was first appeared in English in 1330, though “bugger” in a sexual sense is not recorded until 1555.