Dr. Okrand confirmed to me that this is a typo. He mentioned this in passing while we were going through the paq'batlh, as {jIlujpu'} appears on p. 71.
This sentence happened to come up in a discussion on Discord, so I thought I'd mention this fact here for posterity. I think everyone already knew it was an error, anyway.
(Also, for anyone wondering about the status of the paq'batlh 2ed, I've done as much as I can in making the revisions that Dr. Okrand had clear ideas about, and the rest is up to Dr. Okrand to make a few final decisions and the publishers to incorporate the edits. So it's out of my hands now. I have no ideas about any publication date.)
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De'vID