ないせん
Meanings
Noun
1. phone extension; indoor wiring; inner line
Kanji used
inside
line
Pitch accent
いせん
Top 40000
Composed of
inside; within
line; stripe; line (e.g. telephone line); wire; ray (e.g. X-ray); beam; line (e.g. of a railroad)
Used in vocabulary (2 in total)