来自希腊语的leth意为death。同义词根有来自拉丁语的mort/mors/mor和来自希腊语的necr,thanat/than。

同源词：

1. lethargy （死后不动的状态leth(=death) + a(=not) + rg Latin: lie hidden, secret; forgetfulness, forget, inactive through forgetfulness; also sleepy, drowsy, dull, sluggish

【相关词根词缀】 Related "sleep" units: dorm-; hypno-; narco-; oneiro- (dream); somni-; sopor-. Etymologically related "forget, forgetfulness" word families: aletho-; oblivio-. Related "memory, remember" word families: memor-; mne-.

【同源单词】alethia, lethargic, lethargical, lethargically, lethargize, lethargogenic