It comes from languages of India by way of the Portuguese explorers and settlers of Goa.
The word veranda comes from Portugal and also has some roots in India. The word means a railing that that is usually extended on the front and sides of a structure.
The plural of the word veranda is verandas.
veranda = mbara ihu
They had a lovely veranda at the back of the house.
The word veranda is a noun. The plural noun is verandas.
Veranda Stoop deck
What I could find, Verandah comes from the portuguese word Varanda. No other origins were given. Source: thefreedictionary
We drink raw tea on the south wing veranda.
Let's meet on the veranda, under the pale moon light.
Lanai.
Tea will be served at four o' clock on the roofed portion of the front veranda.
porch, deck