腳印兒 jiǎoyìnr footprint Origin Definitions Defs Strokes Stroke Words Sentences Sents 脚印 腳印 jiǎoyìn noun footprint footprint; track; the mark left by a foot or shoe儿 兒 r particleaffix [erhua suffix] A suffix attached to a word to form a retroflex ending, often indicating a small size, a sense of familiarity, or turning a word into a noun.