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Wiktionary β

JapaneseEdit

Kanji in this term

Grade: 2

Grade: 1
せん
Grade: 2
on'yomi

EtymologyEdit

地下 (underground) +‎ (line)

NounEdit

地下線 (hiragana ちかせん, rōmaji chikasen)

  1. underground line, specifically an underground cable or wire