Where does “कचेरी” come from?

कचेरी (Marathi) comes from Hindi कचहरी, from Proto-Indo-Aryan kr̥tyagʰarikaH.

Ancestry of “कचेरी”, step by step

Step	Language	Word	Meaning
1	Hindi	कचहरी	court; group, crowd
2	Proto-Indo-Aryan	kr̥tyagʰarikaH	—