What does the 「たあ」 do in this sentence?


Here is the sentence.

> はったりにせよ おれたちをこいつらよばわりする **たあ** りっぱな度胸だぜ。

Is it a particle for emphasizing the sentence or making the verb よばわりする as
imperative or something else?




It is a sound change of "とは". It may be used in old city(下町 in Japanese) in
Tokyo.




It is a sound change of "とは". It may be used in old city(下町 in Japanese) in
Tokyo.

