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第
No. · ordinal number prefix · chapter · sequence
N2On: だい
Memory Aid
Imagine a tall BAMBOO (竹) shoot, growing in clear, numbered SECTIONS. A YOUNGER BROTHER (弟) stands beside it, patiently waiting for his TURN to climb, emphasizing the idea of 'sequence' or 'No.'.
Vocabulary
第一だいいちfirst; No. 1
第二だいにsecond; No. 2
第何だいなんwhat number
第九だいくThe Ninth (e.g., Beethoven's Ninth Symphony)
Example Sentences
日本で富士山は高さが第一です。
In Japan, Mt. Fuji is first in height.
私はマラソンで第二位になりました。
I came in second place in the marathon.
あなたの部屋は第何階ですか。
What floor is your room on?
毎年、年末に第九のコンサートがあります。
Every year, there is a Ninth Symphony concert at the end of the year.