[*** \mathrm{taint}^1] |tānt|

source: Revolutionary Girl Utena ［Analysis］ | Anime Amino

a trace of a bad or undesirable quality or substance:

〖通例単数形で〗(悪いことの)傾向, 痕跡.

e.g. the taint of corruption that adhered to the regime.

a thing whose influence or effect is perceived as contaminating or undesirable:

不名誉, 汚点, 汚名.

e.g. the taint that threatens to stain most of the company's other partners.

an unpleasant smell:

e.g. the lingering taint of creosote.

verb with object

contaminate or pollute (something):

«…で» 〈空気･水など〉を汚染する «with» .

e.g. the air was tainted by fumes from the cars.

affect with a bad or undesirable quality:

｟かたく｠ «…で» 〈人･名声など〉を汚す, 傷つける, おとしめる «by, with» .

e.g. his administration was tainted by scandal.

no object archaic (of food or water) become contaminated or polluted.

〈食物などが〉腐る, 傷む

Middle English (as a verb in the sense ‘convict, prove guilty’): partly from Old French teint ‘tinged’, based on Latin tingere ‘to dye, tinge’; partly a shortening of attaint.

[*** \mathrm{taint}^2] |tānt|

noun US vulgar slang

the perineum.

1950s: from the contraction of it ain't in humorous phrases referring to the perineum’s position on the body, characterized as being neither the anus nor the genitals.