词根词缀：foren-, fore-
【来源及含义】Latin: forensis of a forum, place of assembly; public, public speaking; foras, foranus, outside, residing outside, out of doors
【同源单词】affeer, afforest, agroforestry, coafforest, deforest, disafforest
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-.