Osaavuudella
Osaavuudella is a Finnish noun form that denotes the quality or state of being skilled or competent, essentially “with skill.” It is derived from the adjective osaava (skilled, competent) with the noun-forming suffix -uus and the adessive ending -lla/-llä, producing osaavuudella, meaning “with skill” or “by means of skill.”
Etymology and form: The base is osaava (skillful) and its abstract noun osaavuus (skill, competence). The adessive
Usage and nuance: Osaavuudella is typically used in formal or written Finnish to emphasize the impact of
Examples: Osaavuudellaan hän ratkaisi monimutkaisen ongelman. (With his/her skill, he/she solved the complex problem.) Projektin menestys
See also: osaavuus, osaava, osaaminen.
References: Finnish dictionaries such as Kielitoimiston sanakirja and usage corpora from Kotimaisten kielten tutkimuskeskus (Kotus) document