IPA: /ˈlɪftˌɡeɪt/
KK: /ˈlɪftˌɡeɪt/
A door or panel at the back of a vehicle that can be opened upwards to allow access to the cargo area.
He opened the liftgate to load the groceries into the car.
Liftgate → The word is formed from "lift" (from Old English "lyftan", meaning to raise or elevate) and "gate" (from Old English "geat", meaning an opening or entrance). A liftgate refers to a gate that can be raised or elevated, typically found on vehicles for loading and unloading.
Think of 'raising' ('lift') an 'opening' ('gate') to remember that a liftgate is a gate that can be lifted up.