deriv SD cv (1126) ashtadhyayi.com hei.de L 1126 ETT STT a 4.2.37 ALPH OLDHOMEPAGE NEWHOMEPAGE

tasya samUhaH

तस्य समूहः ONPANINI 42037

A group of it.

kAka- काकॱ m + /aN'' → kAka- काकॱ n
kAkAnAM samUhaH kAkam |
काकानां समूहः काकम्।
"a group of crows is called a murder".

This sUtra has many exceptions, see candravasu.

Some words get grAmac ग्रामच् instead, like indriyagrAmaH इन्द्रियग्रामः.