词根词缀：-ar

【来源及含义】Latin: a suffix; pertaining to, of the nature of, like; denoting an agent

【同源单词】adumbrellar, allobar, altar, altar, alveolar, amphistylar

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