noun
base class
In object-oriented programming, a class from which other classes inherit properties and methods.
このクラスは基底クラスから派生しています。
This class is derived from the base class.
派生クラス (derived class) is a class that inherits from a base class, while 基底クラス is the class being inherited from.
Compound of 基底 (base, foundation) and クラス (class), a direct translation of the English computing term 'base class'.