megalith
n.
huge prehistoric stone, 1853, back-formation from megalithic.
〔李〕[mega-;lith] n. [考古]（古建筑物用的）巨石 ←lith,lite (GK lithos)=stone 石
〔李〕n.巨石 [-lith=stone] ←mega-[GK] =large大；one million百万，兆
〔蒋〕[mega大，lith石] 巨石，大石块
〔李〕[mega-;lith] n. [考古]（古建筑物用的）巨石 ←lith,lite (GK lithos)=stone 石
〔李〕n.巨石 [-lith=stone] ←mega-[GK] =large大；one million百万，兆
〔蒋〕[mega大，lith石] 巨石，大石块