There are really (at least) two kinds of grounding. There's the grounding that you do every day as a part of your spiritual practice. This is to prepare you for the rest of your spiritual practice, to bring you into touch with Earth, one of the Five Sacred Things, to help you to face your day.
And then there's the grounding that, if your days are like mine, you do a number of times throughout the day in order to help you to cope. Walk out to the car across frosty grass, down a bit of a slope. Worry about slipping on frosty leaves in work shoes. Ground, Drive to work over big bridge, in rush-hour traffic. Ground. Walk into office and confront blinking voice mail light. Ground. Prioritize. Ground. Meet colleagues for lunch at Italian place. Ground. Get call from opposing counsel. Ground. Head home at twilight. Ground. Read tarot for a bunch of strange people. Ground.
I'm a woman, a Witch, a mother, a grandmother, an eco-feminist, a gardener, a reader, a writer, and a priestess of the Great Mother Earth. Hecate appears in the
Homeric Ode to Demeter, which tells of Hades who caught Persophone
"up reluctant on his golden car and bare her away lamenting. . . . But no one, either of the deathless gods or of mortal men, heard her voice, nor yet the olive-trees bearing rich fruit: only tenderhearted Hecate, bright-coiffed, the daughter of Persaeus, heard the girl from her cave . . . ."