In Old English acum, In the Domesday book (1086), the name of the village is spelt as both Achum and Acum and during the next one hundred years other spellings can be found, such as Achu, Acun, Akum and Acham. In the 13th century, the spellings Acome, Acorn and Akome can be seen, whilst Akam and Acombe are 15th century. Once printing was established, it enabled the standardisation of spellings to the one seen today. The traditional pronunciation of the name was "Yackam“.