词根词缀：bas-, baso-, basi-, ba-, bat-

【来源及含义】Greek > Latin: stepping, to step, to go, to walk; a place where someone steps; a pedestal; a foot for stepping; foundation, ground, base

【同源单词】abasia, acrobat, base, base, based, bases

词根词缀：opistho-, opisth-

【来源及含义】Greek: backward; behind, at the back, after, posterior

【同源单词】opisthaptor, opisthenar, opisthencephalon, opisthiobasial, opisthion, opisthionasial