Elaheh

It should be pronounced like this:

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The first 'E' like 'a' in 'air',

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And 'A' like 'a' in 'art',

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Then the first 'H' same as the one with 'Henry',

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And second 'E', just like the first one, like 'a' in 'air'.

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The 'H' at the end is completely silent!
There is no need for the 'H' at the end indeed, when we write it in English.

Pronounced eh (as in everyone) lah (as in long) HEH (as in Henry).