Where does “लेखाचित्र” come from?

लेखाचित्र (Hindi) comes from Hindi चित्र, from Sanskrit चित्र, from Proto-Indo-Iranian čitrás, from Proto-Indo-European *kit-ró-s.

लेखाचित्र (Hindi): graph

Definitions

Step	Language	Word	Meaning
1	Hindi	चित्र	picture; photograph; painting
2	Sanskrit	चित्र	bright, conspicuous, visible, clear, loud,...
3	Proto-Indo-Iranian	čitrás	bright, clear, shining
4	Proto-Indo-European	*kit-ró-s	—

लेखाचित्र — Etymology, Origin & Word History | Etymology Explorer