attaintˈ transitive verb

1. To convict (obsolete)
2. To deprive of rights by conviction for treason (historical; law)
3. To accuse (archaic)
4. To disgrace, stain (from a fancied connection with taint; archaic)

1. The act of touching, esp a hit (in tilting) (archaic)
2. Infection (Shakespeare)
3. Attainder
4. A stain, disgrace

Corrupted, tainted

attaintˈment or attaintˈure noun

autrefois acquit, attaint or convict /ō-trə-fwä a-kēˈ, a-tɛ̃ˈ or kɔ̃-vēˈ/

Three defence pleas, arguing that a defendant cannot be charged a second time with an offence of which he or she has been acquitted, or a (capital) offence of which he or she has been found guilty