She gets what Ilde means, but defintely has to think about how to put that answer into something she can sign, and she's not even sure if a mermaid would be able to understand anyway -- she has no idea if Ilde can go on land as well.

To hide. Protect family from... She has to pause and actually spell out e-n-e-m-i-e-s. Is the concept of secret identities universal? She's kind of hoping so.