keräävä
Keräävä is a Finnish adjective formed from the verb kerätä, meaning to collect or gather. As the present active participle, it describes something or someone that collects or tends to accumulate. In practice, keräävä can modify a noun to indicate an ongoing collecting action or a characteristic related to gathering, for example keräävä toiminta (collecting activity) or keräävä henkilö (a person who collects).
In usage, keräävä is typically used as an attributive or predicative descriptor and agrees with the noun
Etymologically, keräävä is the present active participle suffixing of kerätä (to collect). Related words include keräys
See also: keräys, kerääjä, keräily, kerätä. These terms cover the broader concept of collecting and related roles