英语中go home 中home表什么?为什么一个名词可以表副词,3Q

Home有副词的意思：to the place where one lives 回家 what time did he get home last night?.昨晚他几点回家的?.■in or at the place where one lives 在家 I stayed home with the kids.我和孩子们一起呆在家里.■to the end or conclusion of a race or something difficult （赛跑）抵达终点；（难事）告终 the favourite romped home six lengths clear.赛前被人们看好的那匹马以领先整整六个马身的距离抵达终点轻松获胜了.■to the intended or correct position 到目的地；到正确的地方 he slid the bolt home noisily.他很大声地把螺栓滑到正确的位置.