I guessed something along the lines of THIM-ee-an. But I googled it and it's ˈtyːmi̯aːn and means "thyme" in
German. It's a masculine noun, so it's an interesting pick for a female character. I'd just go with Thyme, which I find gender neutral. Or maybe Timaea (tie-MEE-a)?
masculine list:
https://www.behindthename.com/pnl/191050/124079feminine list:
https://www.behindthename.com/pnl/191050/124080