Peregenus – singular noun; Literally ‘foreign species’; any number of lifeforms not descended from Earth, especially those exhibiting sentience; aliens.

related forms: Peregenal adj; Peregeni plural noun; Peregene singular noun – colloquial, an individual of peregenal descent; Peregenist singular noun – someone exhibiting prejudice against the peregeni; Peregenism noun – the belief that peregeni are inherently inferior to humans;

Middle English: from Latin peregre ‘abroad’ + genus ‘species’. Originally saw use in the scientific and legal communities in the early Human empires as a more politically sensitive alternative to “alien”, which had become (and remains to this day) a peregenal epithet.