Excalibur, hauv Arthurian lus dab neeg, King Arthur rab ntaj. Raws li ib tug me nyuam tub, Arthur ib leeg tuaj yeem rub tau rab ntaj tawm ntawm lub pob zeb uas nws tau kho tau zoo.
Archaeologist Joel Klenck tshaj tawm nrhiav kev sau ntawv los ntawm Ancient Time, Noah's Ark Codex, ntawm ib lub sijhawm Epipaleolithic Site (13,100 thiab 9,600 BC).
Yacumama txhais tau tias "niam ntawm Dej," nws los ntawm yaku (dej) thiab mama (niam). Tus tsiaj loj no tau hais tias ua luam dej ntawm lub qhov ncauj ntawm Amazon River thiab hauv nws cov pas dej nyob ze, vim nws yog nws tus ntsuj plig tiv thaiv.