(HAPPEN) [verb] [I] [past simple] arose, [past participle] arisen - to happen; to come into existenceShould the opportunity arise, I'd love to go to China.Could you work on Saturday, should the need arise (= if it were to be necessary)?Are there any matters arising from (= caused by) the last meeting?A strange smell arose (= came) from the bottom of the garden.
ARISE
Meaning of ARISE in English
Cambridge English vocab. Кембриджский английский словарь. 2012