词根词缀:arbor-, arbori-
【来源及含义】Latin: tree, trees
【同源单词】arbor, arbor vitae, arboraceous, arboreal, arborean, arboreous
词根词缀:-um
【来源及含义】Greek > Latin: a suffix that forms singular nouns
【相关描述】Here are just a few of the hundreds of words that end with -um.
【同源单词】abandum, abortorium, absorption spectrum, acropodium, actinium, acute delirium