打だ製せい

noun, noun which may take the genitive case particle 'no'

made by striking; produced by lithic reduction

Technical term in archaeology, referring to stone tools shaped by striking flakes from a core. Often used in compounds like 打製石器 (chipped stone tool).

See also: 打製石器

• この打だ製せい石せっ器きは約やく2万まん年ねん前まえのものだ。

  This chipped stone tool is about 20,000 years old.

• 打だ製せいの技ぎ術じゅつは旧きゅう石せっ器き時じ代だいに発はっ達たつした。

  Lithic reduction techniques developed during the Paleolithic period.