Wiktionary
attaindered
a. placed in a state of attainder
Usage examples of "attaindered".
The old man had probably never realized that his grandson's signifer was an Yllipo, the last surviving member of an attaindered clan.
A truth tacitly admitted by Ias when the dy Lutez legacy was not attaindered, as real traitors' estates are, but let to flow to his heirs.