Refers to the line of stitching or the individual stitch made by a needle. Often used in sewing contexts.
See also: 針目
The stitches are even, making a neat seam.
The small hole at the end of a needle through which thread is passed. Also used metaphorically for a very narrow opening.
See also: 針の穴
The thread won't go through the eye of the needle.
Compound of 針 (hari, 'needle') + の (no, possessive particle) + 目 (me, 'eye' or 'hole'). The meaning 'stitch' likely derives from the idea of the 'eye' or mark left by the needle.