I ran into とし 〔格助詞「と」に副助詞「し」の付いたもの〕a couple of weeks ago and actually got an explanation but It’s been going around my mind for some time. Here’s the sentence:
That とし is described by my dictionary as a stronger version of と. Can anyone clear this up for me? Does it work in every sense of the と particle or just like this one?
I only got one definition from 大辞林, but maybe I’m being paranoid…