大方廣佛華嚴經疏 17.34

17.34

二釋名者，慧住於理，得位不退，故名為住。《本業》下卷云「始入空界，住空性位，故名為住。」然住義多種，寄圓說十。總言十住，帶數釋也。下諸品有十，準此可知。

Second, explaining the name: wisdom abiding in the noumenon and attaining non-retrogression in the stations is therefore named 'abode'. The lower fascicle of the Benye [jing] says: 'Beginning to enter the realm of emptiness and abiding in the station of the nature of emptiness is therefore named abode.' However, the meaning of abode has many varieties; relying on the perfect [teaching], ten are expounded. Generally speaking of 'ten abodes' is an explanation that incorporates a numeral. The following chapters have ten [stages, practices, etc.], which can be understood by analogy with this.