Valmiki Ramayana 5.3.10
वैदूर्य तल सोपानैः स्फाटिक अन्तर पाम्सुभिः ।चारु सम्जवन उपेतैः खम् इव उत्पतितैः शुभैः॥
vaidūrya tala sopānaiḥ sphāṭika antara pāmsubhiḥ |cāru samjavana upetaiḥ kham iva utpatitaiḥ śubhaiḥ ||
Our plain-language meaning of this verse is waiting for scholar review.
Open in the book