So, I just had this pop up as I was doing reviews, and I’ve never seen that before. I check jisho.org to see if anything came up, and it said they were “name readings of kanji,” but again, I’ve never noticed that on any other kanji on WK.
Are there others? I’m also surprised to notice something like this so late into my religious studies of the crabigator!
I did notice that they added nanori readings on the kanji information pages, but I’m surprised to see them asking for the nanori! I guess that kanji is used most often in names rather than in actual vocabulary.