noun which may take the genitive case particle 'no'
one-eyed
Describes a person, creature, or object having only one eye. Often used in folklore or descriptive contexts.
その一つ目の怪物は伝説に出てくる。
The one-eyed monster appears in the legend.
Indicates the first item in a sequence or list. Commonly used with nouns like 問題 (question), 理由 (reason), or ステップ (step).
一つ目の理由は、時間が足りないことです。
The first reason is that there isn't enough time.
一つ目の角を右に曲がってください。
Please turn right at the first corner.
Means 'second' in a series, contrasting with 一つ目 ('first').
Means 'one' (the number or a single item), while 一つ目 specifically means 'the first one' in order.
Compound of 一つ (ひとつ, 'one') and 目 (め, ordinal suffix). The ordinal use is straightforward; the 'one-eyed' sense is a literal reading of the kanji.