Understanding the たがい in 仲たがい


What is the etymology of the suffix(?)たがい in 仲たがい and how is it used to
express discord? If this is a suffix as such, is it used in combination with
any other words?




The たがい in
[仲たがい](http://jisho.org/words?jap=%E4%BB%B2%E9%81%95%E3%81%84&eng=&dict=edict)
is another, rarer pronunciation of 違い (usually pronounced ちがい), a noun meaning
"difference". This is not to be confused with 互い, which has the same
pronunciation. 仲 has the general meaning of "relationship", and is the same
character from 仲良し ("close friend").

So overall we have a compound noun:

> 仲 - relationship  
>  違い - difference

meaning differences (ie disagreements) in a relationship causing discord.




The たがい in
[仲たがい](http://jisho.org/words?jap=%E4%BB%B2%E9%81%95%E3%81%84&eng=&dict=edict)
is another, rarer pronunciation of 違い (usually pronounced ちがい), a noun meaning
"difference". This is not to be confused with 互い, which has the same
pronunciation. 仲 has the general meaning of "relationship", and is the same
character from 仲良し ("close friend").

So overall we have a compound noun:

> 仲 - relationship  
>  違い - difference

meaning differences (ie disagreements) in a relationship causing discord.

