词根：tauto = same （相同）

tautology 同义反复，累赘

词根词缀：stauro-, staur-

【来源及含义】Greek: upright stake; hence, "rood, cross"; cross-shaped, crosslike, crossed

【相关描述】Rood comes from Old English and means, "rod, pole; measure of land; cross".

【同源单词】stauractine, Staurikosaurids, Staurikosaurus, staurion, staurogamy, staurolatrian

词根词缀：tauro-, taur-, tauri-

【来源及含义】Greek > Latin: bull, steer

【相关词根词缀】Related "bovine; cow, ox, bull" word units: bou-; bovo-; ox-; vaccino-.

【同源单词】Minotaur, taurian, tauricide, Taurids, tauriform, taurine

词根词缀：tauto-, taut-

【来源及含义】Greek: same

【相关词根词缀】 Inter-related cross references, directly or indirectly, involving word units dealing with "equal, identical, same, similar": auto-; emul-; equ-, equi-; homeo-; homo-; iso-; pari-; peer; rhomb-; syn-.

【同源单词】redundancies, tautegorical, tautochrome, tautochromism, tautochrone, tautochronism