deriv LSK ETT STT aSTA ALPH OLDHOMEPAGE NEWHOMEPAGE
The seventh case means "in on at":
zakunir vanaspatau शकुनिर्वनस्पतौ "bird is on tree"/ the bird on the tree
It also shows the object of feelings and thoughts ("about, for")
gurau me matiH गुरौ मे मतिः "I think about teacher"
patnyAM snehaH पत्न्यां स्नेहः "affection for one's wife"
See also use of cases.