forms adjectives, from nouns, meaning “of or related to the suffixed nouns”
köken: Etymology tree Proto-Indo-European *-yósder. Proto-Italic *-āzijos Latin -āriusnom. Latin -āriuslbor. Portuguese -ário Learned borrowing from Latin -ārius. Compare the inherited doublet -eiro.
alfândega (“customs (government agency)”) + -ário → alfandegário (“relating to the customs”)
-arium (a place associated with a specified thing) · -arium (a device associated with a specified function)
köken: Etymology tree Proto-Indo-European *-yósder. Proto-Italic *-āzijos Latin -ārius Latin -āriumlbor. Polish -arium Learned borrowing from Latin -ārium.
Etymology tree Proto-Indo-European *-tḗr Proto-Indo-European *-trom Proto-Slavic *-dloder. Proto-Indo-European *-lósder.? ▲ Proto-Indo-European *-tromder.? Proto-Germanic *-ilazder. Esperanto -ilo From Proto-Slavic *-dlo and Proto-Germanic *-ilaz. Compare Russian -ло (-lo) and Polish -dło, English, Dutch, and German -el, as well as Old Norse -ill.