| NOUN | communication | Indo-Iranian, Indo-Iranian language | the branch of the Indo-European family of languages including the Indic and Iranian language groups |
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| Meaning | The branch of the Indo-European family of languages including the Indic and Iranian language groups. | |
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| Synonym | Indo-Iranian language | |
| Narrower | Indic, Indo-Aryan | A branch of the Indo-Iranian family of languages |
| Iranian, Iranian language | The modern Persian language spoken in Iran | |
| Broader | Indo-European, Indo-European language, Indo-Hittite | The family of languages that by 1000 BC were spoken throughout Europe and in parts of southwestern and southern Asia |