bu Variant. bu' conjunction English. coordinating conjunction of concepts usu. thought of together as numbers, parents. Example sentence: Subanen. Kalabung, kedateng nami genat tu madekiting, kagaw gebii na bu gendaw. English. Last night when we arrived from the market, it was already dusk (night and day vying). Example sentence: Subanen. Sug babuyu ditu Sipau, mialin paat gatus bu lima pulu'. English. I sold my pig in Sipau for P450. Synonym. muka'