When forming adjectives from Greek nouns in -μα, Latin had two options: to borrow Greek adjectives (asomatus) or to make its own (diadēmātus), which practically differed in the length of the vowel a and, consequently, in the position of the stress. Such adjectives, most often created artificially, are very widespread in the biological terminology of the last centuries (e. g. Gnathostomata — Gnathostomata -...
-Mātus vs. -matus
-Mātus vs. -matus