"Ka-toy" - stress is on the last syllable (listen to the sound recording here).
Question to you: What do you feel or what comes to mind when you see this painting, read its name or hear the sound for it? Trust yourself.
As with any such light language creations, its meaning depends on who is connecting and resonating with it - so trust your own understanding of it.
How are such light language paintings made? First, some energy comes to me and often it has a sound, like a word of a foreign, very foreign language. I stay connected to that sound and slowly paint the sound with colours and shapes.