Dict:-aste

Caseic

From Standard Weatherplague Caseic -aste, possibly from Late Nayelan ac te ("are many" or "o'plenty")

Affix

Derivational morphology, refers to the place where something is found.

Ciret ("death") → Ciretaste ("graveyard, cemetery")

Sweri ("mushroom") → Sweriaste ("mushroom grove")