subtree

名词 n.
中文释义

英文释义

名词 n.
  1. A tree wholly contained in another.

词形变化

subtrees plural

词源

Etymology tree
Proto-Indo-European *upó
Proto-Italic *supo
Latin sub
Latin sub-der.
English sub-
Proto-Indo-European *drew-
Proto-Indo-European *-om
Proto-Germanic *trewą
Proto-West Germanic *treu
Old English trēow
Middle English tre
English tree
English subtree
From sub- + tree.
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