arduously

副词 adv.
中文释义

英文释义

副词 adv.
  1. in an arduous manner

词形变化

more arduously comparative most arduously superlative

词源

Etymology tree
Latin arduus
English arduous
Proto-Indo-European *leyg-der.
Proto-Germanic *līkąder.
Proto-Germanic *-līkaz
Proto-Germanic *-ê
Proto-Germanic *-līkê
Proto-West Germanic *-līkē
Old English -līċe
Middle English -ly
English -ly
English arduously
From arduous + -ly.
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