Translation guide
Refers to the period before written records. In Japanese, the most common equivalent is 先史時代, but other terms exist depending on context, such as 有史以前 (before recorded history) or 原始時代 (primitive times).
The learner wants to refer to the broad concept of the time before written history.
The standard academic and general term for 'prehistoric times'. It directly corresponds to the English concept.
先史時代の遺跡が発見された。
Ruins from prehistoric times were discovered.
Literally 'before recorded history'. Often used in formal or written contexts. Slightly more literary than 先史時代.
有史以前の人類の生活は謎に包まれている。
The lives of humans in prehistoric times are shrouded in mystery.
Means 'primitive times' or 'primeval era'. Often used when emphasizing the primitive or ancient nature of the period, sometimes overlapping with prehistoric times.
原始時代の人々は洞窟に住んでいた。
People in prehistoric times lived in caves.
The learner is discussing specific archaeological periods or academic contexts.
A shorter form of 先史時代, often used in compounds like 先史学 (prehistoric archaeology) or 先史時代.
彼は先史学を専攻している。
He majors in prehistoric archaeology.
The full term is also common in academic writing.
The learner wants to highlight the primitive, ancient, or uncivilized nature of the period.
A common, everyday word meaning 'ancient times' or 'long ago'. It can refer to prehistoric times in casual conversation.
大昔、この辺りは海だった。
In prehistoric times, this area was a sea.
Means 'ancient times' or 'remote antiquity'. Often used in literary or formal contexts to evoke a sense of deep time.
Means 'primitive' or 'primeval'. Used in compounds like 原始時代 or 原始人 (primitive man).
先史時代 is the most direct and neutral translation for 'prehistoric times'. 有史以前 emphasizes the lack of written records and is slightly more formal. 原始時代 focuses on the primitive or early stage of human development and may not always align perfectly with the archaeological definition of prehistory.
In everyday conversation, 大昔 is a natural way to refer to a time long ago, which can include prehistoric times. It is less precise but very common.
この地域の先史時代について研究している。
I am researching the prehistoric times of this region.
In prehistoric times, dinosaurs ruled the Earth.
A primeval forest stretched out.