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The Japanese word

発生

is pronounced
hassei | はっせい
means
spring forth, occurrence, incidence, origin
Examples:
大地震の発生から、応急対策の収束までの避難の流れです。
dai jishin no hassei kara, ōkyū taisaku no shūsoku made no hinan no nagare desu.
The flow of evacuation events from occurrence of a large earthquake to the conclusion of emergency counter measures.
Examples sourced from tatoeba.org