tyvestä
Tyvestä is the elative form of the Finnish noun tyvi, a term that broadly means base, root or stem. The concept is used in multiple domains to indicate origin or location at the base of something. In linguistic contexts, tyvi refers to the stem of a word—the part to which inflectional endings attach. Tyvestä can thus be used when discussing etymology or word formation to denote material derived from the stem. In botany, tyvi commonly denotes the base of a plant or the root collar; descriptions may use tyvestä to indicate processes starting at or near the base, such as growth or regeneration from the base area.
Morphology and usage follow standard Finnish grammar. Tyvestä is formed by taking tyvi and adding the elative