Is the word beachcombing a correct English?

Answer 1

Yes, the word beachcombing is perfect English. It means to search the beach carefully for treasures from the sea. We went beachcombing [for stylish shells]. Beachcombing conjures up images of sifting the sand with a fine-tooth comb. In fact, it is also correct to say, We combed the beach [for washed up wreckage].

Answer 2

The word "beachcombing" is a proper and correct English word. However, "Is the word beachcombing a correct English?" is not an English sentence. "Is the word beachcombing a correct English word?", yes, "Is the word beachcombing correct English", yes, but not what you have written.