Paleolithic Etymology of : 
aPPRendre
Linguistic references
Semantic fields in Paraklist
Transmitting technique in TR2
TeChNique BiFaCe TRaNSMit LeaRN FLiNT KNaP ChiP RiGhT FoRM iNSTRuCT Beauty 
TRaNS- SiLeX 
TowRah TeChNique BiFaCe TRaNSMettre aPPRendre TaiLLer DéBiTer iNSTRuCTion Beau