impregnate
v. US //ˌɪmˈpɹɛɡˌneɪt// UK //ˈɪmpɹˌɛɡneɪt// im·preg·nate
The adjective is first attested in 1540, the verb in 1605; borrowed from Medieval Latin impraegnātus, perfect passive participle of Latin impraegnō, see -ate (verb-forming suffix) and -ate (adjective-forming suffix). Doublet of impregn; participial usage of the adjective up until Early Modern English.