pahenemiselta
Pahenemiselta is the elative case form of the Finnish noun paheneminen, which means deterioration or worsening. As an elative form, pahenemiselta is used to indicate origin or source related to deterioration. The term appears primarily in formal or technical Finnish, rather than everyday speech.
It can appear in discussions of processes where deterioration is the basis of analysis, such as material
Origin and morphology: paheneminen is derived from the verb pahentua (to worsen). The elative suffix -elta attaches
See also: paheneminen; Finnish grammar; elative case. References: standard grammar sources.