词根：robor = strength, 表示“力量”

corroborate v. 证实；加强（cor共同+robor+ate→共同有力量→加强，证实）

roborant a. 增强体力的（robor+ant）

robust a. 强壮的（rob[=robor]+ust表形容词）

词根词缀：robor-, robust-

【来源及含义】Latin: strengthening; to strengthen, to invigorate; strength

【同源单词】corroborant, corroborate, corroborating, corroboration, corroborative, corroboratively