lähdöstä
Lähdöstä is the elative singular form of the Finnish noun lähdö, whose standard meaning is departure, start, or origin. In Finnish grammar, elative marks movement from a location or source, and lähdöstä is used to indicate the source or point of origin related to a departure, beginning, or initiation of a process.
The base word lähdö comes from the verb lähteä, meaning to go out, to start, or to
Grammatically, lähdöstä functions like other elative nouns: it denotes origin or source in relation to another
In sum, lähdöstä is a grammatically specific form used to reference the source or starting point associated