(CNN) — A nine-letter social media post was all it took for the Department of Homeland Security to spark a torrent of backlash online this week, drawing the ire of politicians and prompting comparisons to Europe’s far right.

On Tuesday afternoon, DHS posted a declaration on X for immigrants to “remigrate,” threading a link to the agency’s self-deportation app.

At first glance, the post could be seen as a straightforward reference to the Trump administration’s long-standing immigration policies, which have called for immigrants to “voluntarily self-deport” back to their home countries.

But experts who study and monitor extremism and the far right told CNN they’d urge caution when invoking the word, which has historic roots, including Nazi ideology and, more recently, a violent conspir

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