It's a provisional ending. It's not a rhyme word, and so it doesn't constitute the end of a unit of sense as a rhyme word would in most heroic couplets.

它不是真的结尾，不是韵脚，因此它不像大部分英雄双韵体中的韵脚词一样,标志着一个意思表达的完结。

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The Hebrew word is Tehom. It means "deep" And etymologically it's exactly the same word as Tiamat: The "at" ending is just feminine.

希伯来词语是Tehom，它的意思是“混沌’,从词源来说，它和Tiamat意思完全相同：,“at“是阴性的词缀。

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