The leading Proto-Indo-European dictionary with detailed definitions, and advanced learning features.

DICTIONARY

• Detailed definitions
• Word Origins
• Cross reference
• Synonym, antonym
• Derived terms
• Related terms
• Usage notes
• Sentences
• Descendants
• Alternative forms

ROOTS

• Over 700 roots
• Detailed definitions

PARTS OF SPEECH

• Proto-Indo-European adjectives
• Proto-Indo-European adverbs
• Proto-Indo-European nouns
• Proto-Indo-European numeral
• Proto-Indo-European pronouns
• Proto-Indo-European verbs

UNITS

• 65 units
• Learn words, roots in a unit with flashcards

OTHER FEATURES

• Search feature: search by word or by meaning; voice search
• Bookmark words
• Built-in dictionary
• Share an entry
• Words of the day: learn 20 Proto-Indo-European words daily