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Proto-Indo-European Roots

Root/Stem:	*kreu-
Meaning:	flesh
Cognates:
Hellenic	Greek kreas < *krewas 'flesh', Homeric krn
Italic	Latin cruor 'gore', cruentus 'bloody'
Celtic	Common Celtic *krovos 'blood' > Early Irish cr, cr, Welsh crau, Cornish crow, Scottish cr
Indic	Sanskrit kravis 'raw flesh'
Iranian	Avestan xrra- 'bloody'
Germanic	Common Germanic *xraw- 'flesh' > Old High German hr, hrawr, Old Saxon hr, Old English hraw, Old Icelandic hrr 'flesh' German Roh
Baltic	Common Baltic *krau- 'blood' > Lithuanian kraujas 'blood', kravinti 'to bleed', Old Prussian crauyo, krawia 'blood'
Slavic	Common Slavic *kry, gen. *krve 'blood' > Ukrainian krov, Macedonian & Serbo-Croatian & Slovene & Slovak krv, Czech krev, Old Polish kry, Polish krew, Upper Sorbian krej, Lower Sorbian kšej, Polabian kroj
Notes:	A perfect example of a non-palatal Indo-European *k preserved in all 'satem' languages without becoming a spirant. The original meaning 'raw flesh' was changed by another one 'blood' is some languages. It happened perhaps due to a tabooed Indo-European word for 'blood' which was regarded to as a divine power. A more archaic word for 'blood' in Proto-Indo-European was *esr.-, preserved in Hittite and Greek.