Where does “लुका-छुपी” come from?

लुका-छुपी (Hindi) comes from Hindi लुकना — to hide, disappear.

लुका-छुपी (Hindi): hide and seek

Definitions

Step	Language	Word	Meaning
1	Hindi	लुकना	to hide, disappear

लुका-छुपी — Etymology, Origin & Word History | Etymology Explorer