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defender (Verb) "to defend"
12th cent. Borrowed from Latin defendere 'id.' From Proto-Italic *dē-χwnd- 'id.' From *dē- "away" (see de-) and *χwend- "to hit." From Proto-Indo-European *gwhen-dh- 'id.'
Indo-European
Romance
Portuguese defender, Catalan defendre, defensar, French défendre, Italian difendere
Celtic
Old Irish gonaid "to wound," Welsh gwan "to hit," Old Cornish goanaff "to sting," Middle Cornish gwana 'id.'
Balto-Slavic
Old Church Slavonic gъnati "to persecute," Lithuanian gìnti "to defend"
Hellenic
Ancient Greek θείνειν (theínein) "to strike"
Armenian
Armenian ǰnem 'id.'
Indo-Iranian
Sanskrit hánti "kills"