Basic explanation
[ancestor]
The common name of "oak tree" is silkworm. ~ silk. ~ oak.
[ zhà ]
[~ water] place name, in Shaanxi Province, China.
Detailed explanation
tussah
Water name. Hanshui tributary
Ten-day water flows eastward, south to Xunyang county, and it is combined with tussah water. Water flows from Tashi in the west. -"Notes on Water Classics"
See Zung
tussah
General term for oak. Trees or shrubs of the genus Quercus
See also zhà.