起源説

きげんせつ

theory of origins, origin hypothesis

起源

きげん

origin, beginning, rise

語源説

ごげんせつ

etymological theory, etymology

一説

いっせつ

one theory (opinion), another theory (opinion)

単性説

たんせいせつ

monophysitism (theology)

単一

たんいち たんいつ

single, simple, sole, individual, unitary

種の起源

On the Origin of Species (Charles Darwin, 1859); origin of species

斉一説

せいいつせつ

uniformitarianism

アフリカ

africa

単一形

たんいちがた たんいつがた

D size (battery)

単一化

たんいつか

simplification, unification

単一性

たんいつせい

unitary

生命の起源

せいめいのきげん

origin of life

生物の起源

せーぶつのきげん

origin of life

説き起こす

ときおこす

to begin one's argument or story or lecture

十二縁起説

じゅうにえんぎせつ

buddhist theory of the twelve-fold chain of causation

奮起一番

ふんきいちばん

bracing oneself up to action, being inspired by something, getting down to work, putting heart and soul into it, tackling (a job) with gusto

一念発起

いちねんほっき

being resolved to (do something), having a wholehearted intention

単一通貨

たんいつつうか

single currency, currency unification