Kuumeisista
Kuumeisista is a Finnish inflected form of the adjective kuumeinen, meaning feverish. It is the elative plural form used when referring to a group described as feverish, and it translates roughly as “from the feverish ones” or “of the feverish ones” depending on the sentence. It almost always appears with a noun in the elative plural, such as potilaista or ihmisistä, to indicate the source, condition, or subject of discussion.
Etymology and grammar: kuumeinen is formed from kuume, “fever,” with the suffix -inen to create the adjective.
Usage: The expression is common in medical writing, epidemiological reports, and descriptive prose that concerns groups