megayear
名词 n.
英文释义
名词 n.
-
A million years: a thousand thousand years.
— Holonyms: petasecond < giga-annum, gigayear < exasecond < zettasecond < yottasecond < ronnasecond < quettasecond
词形变化
词源
Etymology tree
Proto-Indo-European *méǵh₂s
Proto-Hellenic *mégas
Ancient Greek μέγᾰς (mégăs)der.
English mega-
Proto-Indo-European *(H)yeh₁-der.?
Proto-Indo-European *yóh₁r̥der.
Proto-Germanic *jērą
Proto-West Germanic *jār
Old English ġēar
Middle English yeer
English year
English megayear
From mega- + year.
Proto-Indo-European *méǵh₂s
Proto-Hellenic *mégas
Ancient Greek μέγᾰς (mégăs)der.
English mega-
Proto-Indo-European *(H)yeh₁-der.?
Proto-Indo-European *yóh₁r̥der.
Proto-Germanic *jērą
Proto-West Germanic *jār
Old English ġēar
Middle English yeer
English year
English megayear
From mega- + year.
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数据来源: Wiktionary