IPA: /pərˈteɪn/
KK: /pɚˈteɪn/
To be related to something or to have a connection with it.
The rules that pertain to this game are very specific.
Past: pertained
Past Participle: pertained
Pertain → It is formed from "per-" (meaning through) and "tenere" (meaning to hold). The word describes something that holds through or is relevant to a particular subject or matter.
Think of something that 'holds through' ('tenere') a topic or subject — that's why pertain means to be relevant or related.