a combining form appearing in loanwords from Latin, where it meant “large,” “great”: magnify.
English Affixes From A To Z: A One-Stop List Of Suffixes, Prefixes, and Combining FormsIn English, we love to make new words by adding all sorts of bits to the front and back of existing terms. These are called affixes, and they are added to the base or stem of a word. When attached to the end of word, the affix is called a suffix. And to the beginning? A prefix.
Also especially before a vowel, magn-.
Origin of magni-
< Latin, combining form of magnus
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019