Example image of eyePlorer eyePlorer map for 'Proto-Indo-European root': Lexicon Morpheme Proto-Indo-European language Root (linguistics) Noun Suffix Verb Word Word stem Indo-European ablaut Sonority hierarchy Stop consonant Laryngeal theory Indo-European s-mobile Sanskrit grammar Seṭ and aniṭ roots Onomatopoeia Semantic change Ancient Greek English language Rhine Character (symbol) Uropi Proto-Indo-European noun Nasal infix Oriana Völva Danu (Irish goddess) Hero Viriathus Grammatical case Mare (folklore) Marquee (sign) Helen Houri Thunder Germanic peoples Nemain Science Addition Varna Bulgarian placename etymology Reduplication Greyhound Rigveda Nostratic languages Veil
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