That's mentioned in the readme! :) I'm pretty happy with the name choice, it's short, doesn't seem to clash with other CLI tools, it can be interpreted as "terminal explorer", and has a kind of cute meaning as you say.
Tere from Tallinn here! :-)
tere (or "dere") is used in austrian colloquial german for helo as well (but also for "bye"). Seems TIL where it comes from