The story
Bắc Sơn + -ian
Etymology from Wiktionary, CC BY-SA 4.0.
Today it means: Of or relating to a variation of the Hoabinhian industry, based around Bắc Sơn and characterized by a higher frequency of edge-ground cobble artifacts. Full definition →
Bắc Sơn + -ian
Etymology from Wiktionary, CC BY-SA 4.0.