alienate

alienate · adjective¹

1. Latin · derived fromaliēnātus
2. Middle English · inherited fromalienat(e)“deranged; uncertain; sequestred, secluded”
3. English todayalienate

From Middle English alienat(e) (“deranged; uncertain; sequestred, secluded”), from Latin aliēnātus, perfect passive participle of aliēnō (“to estrange, alienate”) (see -ate (adjective-forming suffix)), from aliēnus. By surface analysis, alien + -ate. See alien, and compare aliene.

alienate · noun²

From a substantivation of the above adjective, see -ate (noun-forming suffix) and Etymology 1 for more. Cognate with French aliéner (“a crazed, mad man, lunatic”).

alienate · verb³

1. Latin · borrowed fromalienātus
2. English todayalienate

Either from the above adjective or directly borrowed from Latin alienātus, see -ate (verb-forming suffix) and Etymology 1 for more. Cognate with French aliéner.