[Markonian]

Christopher wrote:

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Well, the spelling of that word has changed over the years. Originally it was supposed to be batlh'etlh, a mashup of the pre-existing Okrand-Klingon words for "honor" and "sword."

[snip]

Thanks for the explanation, I didn't know that!
I'm not proficient in Klingon but this also explains the name of Emperor Kahless's flagship IKS Batlh in STO: Fek'Ihri Return Ep.2: Destiny.