幅はば優ゆう先せん探たん索さくMeaningsNoun1. breadth-first searchKanji used幅width優gentle先before (timewise)探to feel around for索linkComposed of幅はばwidth; breadth; freedom (e.g. of thought); latitude; gap; difference (e.g. in price); range (e.g. of voice)Noun優ゆう先せんpreference; priority; precedence; right of wayNoun探たん索さくsearch; lookup; hunt; (item of) research; exploration; investigationNoun