词根词缀:cero-, cer-, kero-, keri-
【来源及含义】Greek: wax, waxy
【同源单词】acerotous, ceraceous, cerago, ceral, ceraphagous, cerate
词根词缀:tri-, tre-
【来源及含义】Greek > Latin: a numerical prefix meaning, three, thrice, threefold; triple; a word element for number 3
【相关词根词缀】 Cross references of word families that are related, partially or totally, to: "three, third": terce-; terti-; trigono-; trito-.