Lucy's official first word is, like her sister, "eye". Well, that all depends on if you count "uh-oh" as a word.
However, I'm feeling a little Dan Rather-ish in reporting this story. While I have heard Lucy use it more than once, it isn't consistent every time. So I don't
really know if she knows that "eye" is a sound that we make that refers to the part of our body with which we see.
However, I'm more than willing to give her the benefit of the doubt.
Viva La Lucy!