pitkänkestoisen
Pitkänkestoisen is the nonstandard or less common form sometimes found in Finnish writing for indicating a long-lasting, durable characteristic. The normative form is pitkäkestoisen, which is the genitive singular of the adjective pitkäkestoinen, meaning long-lasting or durable. The base combines pitkä (long) and kesto (duration) with the suffix -inen, yielding the adjective pitkäkestoinen and its inflected forms.
Etymology and form: The word is built from Finnish elements pitkä and kesto, attached with the adjectival
Usage: pitkäkestoisen (standard: pitkäkestoisen) is used to describe objects, processes, or conditions that endure for an
Examples (standard form): pitkäkestoisen tuotteen elinikä, pitkäkestoisen lääkeaineen vaikutus, pitkäaikainen suunnitelma. Note that phrases should preserve
See also: longevity, durability, long-lasting, Finnish grammar.