Used to form gentilic adjectives with the meaning "of/from" a country or place.
Pronounced as (IPA)
[ˈaːs]
Etymology
By syncope, from the earlier form -ātis. If Oscan 𐌋𐌞𐌅𐌊𐌀𐌍𐌀𐌕𐌄𐌝𐌔 (lúvkanateís, “Lucanian”, gen. sg.) has a cognate suffix -𐌀𐌕𐌄𐌝𐌔 (-ateís), one can reconstruct Proto-Italic *-ātis.