俱舍論記 8.90

8.90

「謂彼所繫至是名識住」者，答。若欲、色所繫，五蘊為體；若無色所繫，四蘊為體。如其所應有情數、法，識於其中樂住著故，是名識住。

"Namely, bound to that […] is named an abode of consciousness": the reply. If bound to the desire or form realms, the five skandhas constitute its nature; if bound to the formless realm, the four skandhas constitute its nature. The sentient-included dharmas as appropriate, in which consciousness delights to dwell and attach, are named abodes of consciousness.