That's interesting
Oddwen! It might have something to do with the message I found. If you drink watery tea as a whet, you can become a hero and that's cool (whee!). Or maybe this mantra has some deeper meaning that is not meant to be revealed to us.
Here's something about the ents' true nature. (ELS:3)
9-10-11: WOE! 16: ENT 8: LAM 5: MUTT! but also 16: ENT 1: HAY 7: COW.
Oh, the ents really can show those stupid orcs, but they are also very nature friendly and they feed all the cows that stray into Fangorn. Aren't the ents nice creatures!