宙

eternity; (geology) eon

8 strokes Dict coverage rank #2,595 U+5B99

Phono-semantic compound (形声字)

宀 (semantic, “roof - the sky”) + 由 (phonetic, yóu)

components: 宀由

universe · Heisig RSH #2168

house + sprout

Keyword method from Heisig's Remembering Simplified Hanzi.

Phonetic series: characters sharing the sound component 由

Siblings built with the same phonetic component 由 (yóu) — compare how they read:

Character	Pinyin	Meaning
由 sound component	yóu	cause, reason; from
油	yóu	oil, fat, grease, lard; oil paints
抽	chōu	to draw out, to pull out; to sprout
轴	zhóu	axle, pivot, shaft; axis
邮	yóu	mail; post office
袖	xiù	sleeve
鼬	yòu	weasel, mustela itatis
铀	yóu	uranium
釉	yòu	enamel, glaze
岫	xiù	mountain peak; cave, cavern
柚	yòu	grapefruit, pomelo
蚰	yóu	millipede
妯	zhóu	sister-in law
舳	zhú	the stern of a ship

Word	Pinyin	Meaning
宙斯盾战斗系统	Zhòu sī dùn Zhàn dòu Xì tǒng	Aegis Combat System (weapons system developed for the US Navy)
太古宙	Tài gǔ zhòu	Archaean (geological eon before 2500m years ago)
元古宙	Yuán gǔ zhòu	pre-Cambrian (geological eon 2500-645m)
平行宇宙	píng xíng yǔ zhòu	parallel universe
隐生宙	yǐn shēng zhòu	Cryptozoic; geological eon before the appearance of abundant fossils; hidden life, as oppo…
显生宙	Xiǎn shēng zhòu	Phanerozoic, geological eon lasting since the Cambrian 寒武紀\|寒武纪[Han2 wu3 ji4], c. 540m year…
多元宇宙	duō yuán yǔ zhòu	multiverse (cosmology)
宇宙射线	yǔ zhòu shè xiàn	cosmic ray
宇宙速度	yǔ zhòu sù dù	escape velocity
宇宙飞船	yǔ zhòu fēi chuán	spaceship; spacecraft
宙斯	Zhòu sī	Zeus
宇宙学	yǔ zhòu xué	cosmology
宇宙线	yǔ zhòu xiàn	cosmic ray
宇宙号	Yǔ zhòu hào	Kosmos, series of earth-orbit satellites operated by the Soviet Union and subsequently Rus…
元宇宙	yuán yǔ zhòu	(computing) metaverse
宇宙观	yǔ zhòu guān	world view; conception of the universe
宇宙	yǔ zhòu	universe; cosmos; space