sub-tristis, e, adj.,
somewhat sad or sorrowful (ante- and post-class.): subtristis visus est mihi, Ter. And. 447; Hier. Ep. 107, 9.— Comp. : cera subtristior, Hier. Ep. 60, 1.
sub-trīstis e, adj.,somewhat sad, T. ...
An Elementary Latin Dictionary