Question

I am eight letters long - “12345678”
My 1234 is an atmospheric condition.
My 34567 supports a plant.
My 4567 is to appropriate.
My 45 is a friendly thank-you.
My 678 is a man’s name.
Q: What word am I?

Answer 1

I don't know

tell me the word

Answer 2

Mistaken is the answer

Hope it helps you..