As he spoke the fog was blown into shreds, and we saw the sea, gray with mud, rolling on every side of us and empty of all life. Then in one spot it bubbled and became like the pot of ointment that the Bible speaks of. From that wideringed trouble a Thing came up—a gray and red Thing with a neck—a Thing that bellowed and writhed in pain.
This is from A Matter of Fact " by Rudyard Kipling.
https://www.kiplingsociety.co.uk/tale/a-matter-of-fact.htm
I don't understand the meaning of
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wideringed trouble
I am glad if someone would kindly teach me.