Hi again;
there is a distinct "gesture" young dogs make when meeting someone (whether human or dog) they like very much. It consists in quickly laying the chest and the "forearms" (pardon the anthropomorphism) on the ground - that part looks almost like the downward stroke of a press-up - while keeping the butt and the wagging tail up high. The head is near the ground but looking up at the friend being welcomed. With a big smile, needless to say.
Is there a word for that in any language? I can't think of one, not even in my native Polish.
Thanks in advance - L.