back-stitch

noun

1. stitching or a stitch in which the thread is doubled back on the preceding stitch.

verb (used with or without object)

2. to sew by backstitch.

noun

1. a strong sewing stitch made by starting the next stitch at the middle or beginning of the preceding one

verb

2. to sew using this stitch

n.

1610s, from back (adj.) + stitch (n.).