Select the most appropriate meaning of the given idiom.

Kith and kin

family relations

The most appropriate meaning of the idiom "kith and kin" is family relations. It is used to refer to one's relatives, both close and distant. The word "kith" comes from the Old English word "cyth", meaning "acquaintance", and the word "kin" comes from the Old English word "cyn", meaning "family".

The other options are not correct.

• Colleagues: These are people who work together.
• Neighbors: These are people who live near each other.
• Distant enemies: These are people who are not friends and who may even be hostile to each other.