词根词缀：obsolesc-, obsolescent-, obsolet-

【来源及含义】Latin: to wear out, to grow old; to fall into disuse; to grow out of use; elderly, older

【相关词根词缀】 Related "old; old age, elder" units: gero-; presbyo-; sen-; veter-.

【同源单词】obsolesce, obsolesced, obsolescence, obsolescent, obsolescently, obsolescing