noun which may take the genitive case particle 'no', noun
beautiful (as if adorned with jewels)
Archaic poetic word used to describe something as beautiful, as if it were decorated with jewels. Not used in modern everyday Japanese.
There is an old expression 'tamashiki no niwa' (a garden as beautiful as if strewn with jewels).
Compound of 玉 (tama, 'jewel') + 敷き (shiki, 'spreading'). The exact historical derivation is uncertain; the word is an archaic poetic epithet.