I think the similarity in the location might be a coincidence. I don’t use the Takahashi transcription, I use my own, and aror appears 8 times (possibly 9) in a variety of line positions. It's true that only the two are followed by EVA-sheey but whether that creates a meaningful connection to the one on the last page is difficult to know.
Instances of
aror:
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Login to view. middle of the last line
102v2 (difficult to read, it might be oror)
104r 8:2:4
106r 8:1:6
106r 8:2:10
116v beginning of last line
It also occurs numerous times with prefixes and suffixes and, once again, it's difficult to know what their relationship is to the "base" word since we don't know for certain that spaces are real.