abashevo culture albanian language albanians anatolia anatolian hypothesis anatolian languages ancient iranian peoples ancient peoples of italy armenian hypothesis armenian language armenians aryan asko parpola bactria baltic languages balts brahui language brick bridget allchin bronze bronze age bronze age sword building caspian celtic languages celts central asia chechen people cimmerians copper cotton dacian language dagger demographics of india dental consonant dravidian dravidian languages elamo-dravidian languages europe exodus extinct language fire fringe science galatia gauls genetic marker germanic languages germanic peoples gerund gold graeco-aryan greek language greeks gujarat harappan historical linguistics hittites horse human mitochondrial dna haplogroup illyrian languages illyrians in search of the cradle of civilization india indian subcontinent indigenous aryans indo-aryan indo-aryan languages indo-aryan migration indo-aryan superstrate in mitanni indo-european languages indo-european studies indo-iranian indo-iranian languages indo-iranians indomania indophobia indus valley civilization iran iranian languages iranian peoples irrigation italic languages johanna nichols journal of indo-european studies kamboja koenraad elst kurgan hypothesis kurmanji lachhmi dhar kalla latin linguistics lithuanian language lothal maharashtra mesopotamia metal michael witzel mitanni modern celts munda munda languages munda people nakshatra national geographic society natural science north india paleo-balkan languages paleolithic continuity theory parada paul thieme peer review phrygian language pirak prakrit pre-indo-european proto-indo-european language proto-indo-european religion proto-indo-european society proto-indo-europeans punjab region quotative rahul peter das rangpur rice rigveda rigvedic tribes robert gordon latham russian academy of sciences russian language sacred language sample size sanskrit sarmatians scythia scythians silver sindh slavic languages slavic peoples sogdiana south india spencer wells srubna culture steppe substratum substratum in vedic sanskrit sword tamil language tarim basin the quest for the origins of vedic culture thomas burrow thracian language thracians tocharian languages tocharians toomas kivisild torah turkmenistan urban contemporary urheimat venetic language vernacular western europe yamuna zeal