Breakdown of nyuutouzei o harau.

Questions & Answers about nyuutouzei o harau.
It is read にゅうとうぜい.
- 入湯 = にゅうとう, literally entering hot water / bathing in a hot spring
- 税 = ぜい, meaning tax
So 入湯税 is the special tax charged when using certain hot spring facilities.
を marks the direct object of the verb.
In 入湯税を払う, the thing being paid is 入湯税, so it takes を.
- 入湯税 = the bathing tax
- を = object marker
- 払う = to pay
So grammatically, it is [tax] + を + [pay].