haitallisesta

Haitallisesta is the elative singular form of the Finnish adjective haitallinen, meaning harmful or deleterious. In Finnish, adjectives decline for case just like nouns, so haitallinen can take inflected forms depending on the grammatical role of the noun it describes. Haitallisesta specifically appears in the elative case, indicating origin, source, or context related to harm, as in phrases like haitallisesta aineesta or haitallisesta vaikutuksesta.

Etymology and related forms: The adjective haitallinen is formed from haitta (harm, damage) with the suffix -llinen, creating the meaning “harmful.” Related words include haitta (harm) and haitallisuus (harmfulness). The adjective is commonly contrasted with other safety-related terms such as vaarallinen (dangerous) or myrkyllinen (toxic).

Usage: In health, environmental, and safety writing, haitallinen is used to describe substances, practices, or conditions that can cause harm. Haitallisesta is common in technical style when the noun in question is in the elative case “from the harmful [substance]” or “of the harmful effect.” Examples: “Haitallisesta aineesta vapautui haitallisia yhdisteitä.” (From the harmful substance, harmful compounds were released.) “Haitallisesta vaikutuksesta johtuvat riskit on arvioitava.” (Risks arising from the harmful effect must be assessed.)

See also: haitallinen, haitta, vaarallinen, myrkyllinen, Finnish grammar.