词根词缀：arena, areni-

【来源及含义】Latin: harena; sand, sandy place, sea-shore; place of combat [literally, "place strewn with sand"]

【相关词根词缀】Other related "sand" units: amatho-; ammo-; silico-; thino-.

【同源单词】arena, arenaceous, arenarious, arenicole, arenicolite, arenicolous

词根词缀：viru-, vir-

【来源及含义】Latin: poison

【相关词根词缀】 A cross reference of another word family that is related directly, or indirectly, with: "poison": toxico-; veno-.

【同源单词】adenovirus, alphavirus, arborvirus, arenite, avirulence, calicivirus