I feel enthusiastic about this story and Abrihet in much the way that other commenters do. But there's also a special bit of serendipitous coincidence in it for me.

Yesterday I stopped in a coffee shop in my neighborhood for a sit-down with a hot drink after rather too much walking around in the cold. (I'm getting over a bad cold.) As I was finishing up, I heard two men at another table speaking a language I couldn't place at all, which is a bit unusual for me. So on my way out I asked them, explaining in my usual way that I'm a language researcher (clearer & more accurate than most people's perception of "linguist") and always interested in unfamiliar languages. The man who answered me said "From East Africa, Eritrea." "Ah," I said, "Tigrinya?" "Yes, it is Tigrinya."

I think they were a bit surprised at that, and of course I was pleased to have been correct in my (educated) guess, and to have gained a bit of an auditory handle on yet another language.