godan verb (iku/yuku class)
crawl along; creep forward
Describes moving forward by crawling or creeping, often on hands and knees or with the body close to the ground. The 行く part adds a sense of progression or direction.
赤ちゃんが床をはって行く。
The baby crawls along the floor.
兵士たちは草むらの中をはって行った。
The soldiers crept forward through the grass.