絶えず
たえず
constantly
絶えてしまった種
たえてしまったしゅ
extinct species
絶える
たえる
to die out
to peter out
to become extinct
絶え入る
たえいる
to expire
絶え果てる
たえはてる
to be extinguished
to be exterminated
to cease completely
絶え絶え
たえだえ
feeble
faint
絶え間
たえま
interval
gap
絶え間なく
たえまなく
incessantly