針路 is read as しんろ (shinro) and means course.
しんろ
shinro
しんろをそれる
to swerve from the course
はり
counter for stitches
はりがね
wire
はりせんぼん
porcupinefish (Diodon holacanthus)
はりがねざいくひょうげん
wire frame representation
はりこ
seamstress
はりめ
seam
はりのめ
eye of a needle
はりやま
pincushion
はりのやま
hell's mountain of needles
はりしごと
needlework
はりがねざいく
wirework