short form
noun
°A word with the same meaning as another formed by removing one or more of the syllables of the longer word, and considered a word in its own right rather than an abbreviation.
""Tux" is a short form of "tuxedo"."
°Particularly in Slavonic languages, a shortened form of the adjective, used predicatively.
"Example: нов, нова, ново, новы are short forms of новый."
synonyms: clipped form, clipping, shortening