IPA: /rɪˈleɪʃən/
KK: /rɪˈleɪʃən/
A connection or association between two or more things, or a person who is related to another by family or marriage.
The relation between the two countries has improved over the years.
Relation → It is formed from "re-" (meaning back or again) and "latus" (meaning carried or brought). The word describes the act of bringing back or referring to something, hence the connection between entities.
Think of 'bringing back' ('re-') something that is 'carried' ('latus') to understand that 'relation' refers to a connection or association between things.