Lethe
/ˈliːθɪ/- Greek Mythology a river in Hades whose water when drunk made the souls of the dead forget their life on earth【希腊神话】忘川（冥界一河流, 死人灵魂饮其水会忘记生前之事）。
派生词
Lethean
/lɪˈθiːən/ adjective词源
via Latin from Greek lēthē 'forgetfulness'， from the base of lanthanesthai 'forget'.