Paleolithic Etymology of : 
BLeu
Linguistic references
Semantic fields in Paraklist
Shin, Samekh, S and Yin-Yang in S1
SeX oPPoSe ShaPe SPiKe VuLVa RouND BReaST WoMB HiDe SiNuous aLTeRNate SLiT SuMMiT SymBoL aMBiVaLent DuaL PoTTeR eXChaNGe TWo ReD BLue HaND FaCe eaCh STaTe DyNaMic LiGhT DaRK MeaN SaMe Thing DiSCoVeR ChaNGe 
Yin-Yang SeXe oPPoSer FoRMe LeTTRe PoiNTe VuLVe RoND CaCher SiNueux aLTeRNer SiLLoN SoMMeT SymBoLe DueL aMBiVaLent PoTeRie éChaNGe DeuX MaiN RouGe BLeu FaCe STaTique DyNaMique LuMiNeux oBSCuR ReCheRChe ChaNGer