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Not sure if 分 is _ita_ or _ta_ in 大分県, but anyway, kind of hard to find
anything in the dictionary so if anyone knows a compound with that reading off
the top of their head it would be appreciated!
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2020-11-29T14:39:30.933
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question
kanji etymology readings
Are there other compounds with 分 where it is read as いた as in 大分県?
I searched the freely available
[WWWJDIC](http://nihongo.monash.edu/wwwjdicinf.html) and
[ENAMDICT](https://www.edrdg.org/enamdict/enamdict_doc.html) databases for
Japanese words and proper/place names, respectively, and no other instances of
分【いた】 are listed in these dictionaries. (These files are quite extensive,
containing for instance names of companies or subway stations.)

But more can be said about 分【いた】 by looking at the
[etymology](https://kanjibunka.com/kanji-faq/old-faq/q0299/) of 大分【おおいた】,
where いた appears to be a sound change from きだ・きた (き → い is a common sound
change) and きだ・きた is thought to refer to 段 = きざ・きだ・きた which could refer to the
(terraced or extensive) rice paddies around ­Ōita City.

(By the way, there is one other word 段階 = きだはし・きざはし where this reading is also
seen, but there are no further instances of 分 or 段 being read as
きざ・きだ・きた・いた...)
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2020-11-29T19:53:11.187
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answer