ETYM Prob. from Icel. itha; cf. Icel. pref. ith- back, AS. ed-, OS. idug-, Old High Germ. ita-; Goth. id-.
A miniature whirlpool or whirlwind resulting when the current of a fluid doubles back on itself; SYN. twist.

(1821-1910) US founder of the Christian Science movement. Her pamphlet Science of Man 1869 was followed by Science and Health with Key to the Scriptures 1875, which systematically set forth the basis of Christian Science.
Separated from her husband and in poor health, she discovered in 1862 the work of a faith healer named Phineas Quimby, who decisively influenced her belief in healing through divine grace, a belief enhanced by her own recovery.
She was born in New Hampshire and brought up as a Congregationalist. She founded the Christian Science Association 1876. In 1879 the Church of Christ, Scientist, was established, and although living in retirement after 1892, she continued to direct the activities of the movement until her death.
Founder of Christian Science in 1866.

ETYM See Eddy (n.).
To flow in a circular current, of liquids; SYN. purl, gurge, whirlpool, swirl, whirl.