Meant to post here and never got around to it.
Errto isn't a real word in any language that I'm aware of. It's something that my brother and I made up when we were little and decided to invent our own little dialect of English to speak in. Errto (also spelled err-to) is kind of a generic particle. You can use it by itself or append it to some other word as a suffix. It doesn't mean anything in particular but adds emphasis to whatever comes before it.
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