词根词缀：quadri-, quadra-, quad-, quadru-

【来源及含义】Latin: four, fourth; a word element for number 4

【相关词根词缀】 Cross references of word families that are related, partially or totally, to: "four, fourth": quatr-; tessara-; tetra-.

【同源单词】biquadrate, carillon, omniquadrante hora, quadragenarian, quadragenary, Quadragesima

词根词缀：vir-, viri-, virtu-

【来源及含义】Latin: man, manliness, manhood; masculine; husband

【相关词根词缀】Links to other units that include the topic of "man", "mankind":
andro-; anthropo-; homo-.

【同源单词】Ad virtutem per sapientiam, centumvir, cosmic electrodynamics, cosmotropical, decemvir, deivirile