"内線" means "(telephone) extension", "inner line", "telephone extension", "extension"

Kanji in this word

Related words "内"

• 以内 (inai)less than, within
• 内 (uchi)house, inside, interior
• 内偵する (naiteisuru)scout
• 内出血 (naishukketsu)internal hemorrhage
• 内助 (naijo)wife's help
• 内務 (naimu)domestic affairs

Related words "線"

• 導火線 (dokasen)cause, fuse, incentive
• 下線 (kasen)underline
• 光線 (kosen)beam of light, ray of light
• 内線 (naisen)(telephone) extension, inner line, telephone extension
• 曲線 (kyokusen)curve, curved line
• 無線 (musen)radio, wireless