Tuttavaa
Tuttavaa is the partitive singular form of the Finnish noun tuttava, meaning an acquaintance or a familiar person. The headword tuttava denotes a person known to the speaker, not necessarily a close friend. In everyday language it sits between terms like kaveri (buddy) and ystävä (friend), signaling a reluctant or neutral level of familiarity rather than intimacy.
Morphology and forms include: nominative singular tuttava; genitive singular tuttavan; partitive singular tuttavaa. In the plural:
The partitive tuttavaa is used in constructions where the object is indefinite or requires the partitive, and
Etymology derives from the adjective tuttu, meaning familiar, with the derivational suffix -va to form a noun