词根词缀：sen-, sene-, seni-, sir-

【来源及含义】Latin: old age, old, elder, elderly

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

【同源单词】insenescence, insenescent, premature senility, psychosis of senility, seignior, seigniorage