IPA: /rɪˈteɪn/
KK: /rɪˈteɪn/
To keep something in your possession or to continue to have it.
It is important to retain your receipts for warranty purposes.
Past: retained
Past Participle: retained
Retain → It is formed from "re-" (meaning back or again) and "tenere" (meaning to hold). The word "retain" means to hold something back or keep it again.
Think of holding something 'back' ('re-') and 'keeping' it ('tenere') — that's why retain means to keep possession of something.