Where does だって come from?


Does だって find it's roots in some different combination of words, or is it it's
own, self made, particle? Where does だって come from?




“だって” is a sentence-ending particle, coming from binding particle “だって”: a
sound change of “だとて”, which is an auxiliary verb of assertion “だ” followed by
~~an auxiliary verb~~ a binding particle “とて”, and it is used in a casual
conversation.




“だって” is a sentence-ending particle, coming from binding particle “だって”: a
sound change of “だとて”, which is an auxiliary verb of assertion “だ” followed by
~~an auxiliary verb~~ a binding particle “とて”, and it is used in a casual
conversation.

