silvosus
From LSJ
ψυχῶν σοφῶν φροντιστήριον → thought-shop of wise souls
silvōsus: a, um, adj. silva,
I full of woods or trees, woody: saltus, Liv. 9, 2, 7: rami emicant silvosā multitudine, forestlike, Plin. 12, 5, 11, § 23; so, crebrae arbores et silvosae, Vitr. 8, 1 fin.>