What does なんだろ mean in this sentence?


What does なんだろ mean in the following sentence?

太陽が夜に、なんだろ、「日が沈む」といいます。

なんだろ itself means something like "I wonder", but how does it suits in that
sentence?




See how it's surrounded by commas. It's probably "what can I say?" or "how
should I put this?" added as a [parenthetical
aside/interjection](https://www.dailywritingtips.com/8-types-of-parenthetical-
phrases/).




See how it's surrounded by commas. It's probably "what can I say?" or "how
should I put this?" added as a [parenthetical
aside/interjection](https://www.dailywritingtips.com/8-types-of-parenthetical-
phrases/).

