Rehtoreista
Rehtoreista is a Finnish grammatical form meaning “from the principals” or “about the principals.” It is the elative plural form of rehtori, which translates to principal or rector in English. The elative case indicates origin, source, or topic, and in the plural it is formed with the suffix -ista, yielding rehtoreista.
Morphologically, rehtori has the plural nominative rehtorit, and in the elative plural the stem shifts to rehtore-
Usage examples include: Tiedot saatiin rehtoreista. (The information was obtained from the principals.) Lehdessä kerrottiin rehtoreista
Related terms include rehtori (singular) and rehtorien or rehtoreiden as the genitive plural, depending on the