noun
Archaic or children's language for 'mother'. In modern Japanese, お母さん or ママ are far more common. This form may appear in historical settings or when imitating old-fashioned or childish speech.
昔話では、子どもが「かか、かか」と呼ぶ場面がある。
In old tales, there are scenes where a child calls out 'mama, mama'.
「かか」は今ではほとんど使われない古い呼び方だ。
'Kaka' is an old form of address that is hardly used nowadays.