The verb is "purl". Thus, to invert a stitch is to purl.
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You Purl one stitch, then repeat it.
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Purling is knitting the purl stitch.
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If you are alternating each stitch (knit, purl, knit, purl) the
pattern is called ribbing. If you alternate each row (row 1 knit,
row 2 purl) it is called stockinette stitch.