Okra or okro ( or ), known in many English-speaking countries as ladies' fingers or ochro, is a flowering plant in the mallow family. It is valued for its edible green seed pods. The geographical origin of okra is disputed, with supporters of West African, Ethiopian, and South Asian origins. The plant is cultivated in tropical, subtropical and warm temperate regions around the world.
ladies fingers was the slang invented in 1986
we do not know the date of the nickname from this context, so we cannot say for sure if it was really invented in that year