ONてつ
Meanings
penetratepiercethoroughcomprehensive
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How to remember

Imagine a persistent person (彳, walking) making their way through a dense forest of growing trees (育), not stopping until they have *thoroughly penetrated* to the other side.

Vocabulary

徹底てってい
thoroughness, completeness
徹夜てつや
staying up all night
徹するてっする
to devote oneself to; to go through (e.g., cold)
徹頭徹尾てっとうてつび
from beginning to end, consistently

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