二拇指头 èrmuzhǐtou index finger Origin Definitions Defs Strokes Stroke Words Sentences Sents 二 èr numeral second ordinal number two; second拇指 mǔzhǐ noun thumb the first digit of the hand头 頭 tou affix [noun suffix] suffix attached to verbs or adjectives to form nouns, often indicating a specific quality or worthiness