A circumfix is an affix made up of two separate parts which surround and attach to a root or stem.
The morphological process whereby this is achieved is called circumfixation.
(Tuwali Ifugao, Philippines)
The circumfix ka--an is a nominalizer and surrounds a root.
- baddang: root ‘help’ v.
- ka--an: circumfix ‘NOMR’
- kabaddangan: word ‘helpfulness’