|col ceathrair||chol ceathrair||gcol ceathrair|
|Note: Some of these forms may be hypothetical. Not every
possible mutated form of every word actually occurs.
- Term derives from the degree of separation between oneself and their first cousin, literally involving four persons (self, one's parent, that parent's sibling, that sibling's child).
- col cúigir
- col seisir
- col seachtair