[Mesorah] suffix for a family: "uni" vs. "oni"

[Richard]

In P'Pin'chas (happy birthday, R'Micha :)), the family of Shimon is "Shimoni," the family of Chetzron is "Chetzroni," and even the family of Z'vulun (name ends with "un" rather than "on") is "Z'vuloni."  Why is the family of Geir'shon "Geir'shuni" and not "Geir'shoni"?  Thanks.

All the best from
Michael Poppers * »

Just a guess

Perhaps the Tzeireh being a T'nuah G'dolah is somehow a factor in how to treat the last syllables in Geir'shon and Geir'shuni.



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Knowledge is about having the right answer;  Intelligence is about asking the right question. 

Shalom, RRW