斗, a pictographic character of a wine ladle, serves as a semantic as well as a phonetic component to form characters.
In modern Chinese斗means:
2.to contend; to compete with
3.to pieces fit together
4.a unit of dry measure equal to 1 decaliter
5.a dipper-like bin measuring 1 “dou”
6.an object resembling a dipper or cup
斗 serves as a semantic component to express meanings related to cup, dipper, ladle, or measuring equipment, etc.
Characters formed by the semantic component 斗
科 料 斢 斜 戽 斞 斝 魁 斛 斟 kē liào tiǎo xié hù yǔ jiǎ kuí hú zhēn
Characters formed by the phonetic component 斗
抖 蚪 枓 唞 阧 钭 乧 with the same pronunciation dǒu