1.
I am composed of 8 letters.
My first and second is a verb.
My third and fourth is a preposition.
My fifth, sixth, seventh, and eighth is a kind of vegetable.
My whole is the name of a maiden.
2.
I am composed of 8 letters.
My 1, 2, 3, 4, 5 is the name of an inventor.
My 6 and 7 is a preposition.
My 8 is an article.
My whole is a name noted in Arabian story.