词根词缀:-al, -ial, -eal
【来源及含义】Latin: suffix; pertaining to, like, of the kind of, relating to, characterized by, belonging to; action of, process of
【同源单词】abacterial, abdominal, abdominal adhesion, abdominal aorta, abdominal aortic aneurysm, abdominal aortography
词根词缀:umbra-, umbro-, umbr-, umbel-
【来源及含义】Latin: shade, shadow
【相关词根词缀】Other related "dark; shadow, shade; black" units: lygo-; melan-; nigri-; nocti-; nycti-; scoto-; skio-.
【同源单词】abumbral, adumbral, adumbrant, adumbrate, adumbration, adumbrellar