第だい一いっ回かい

noun

first time; first occurrence

Refers to the first instance of an event or series. Often used in contexts like 'the first meeting', 'the first edition', or 'the first round'.

• 第だい一いっ回かいの会かい議ぎは来らい週しゅうの月げつ曜よう日びです。

  The first meeting is next Monday.

noun which may take the genitive case particle 'no'

first; initial

Used attributively with の to modify a noun, indicating the first in a series or sequence.

• これは第だい一いっ回かいの試こころみです。

  This is the first attempt.