千代・千世|ちよchiyo[1]atamadaka (head-high)

1. nounthousand years; thousand generations; thousand ages; eternity

• Synonym千古せんこWrittenWritten-style word for the remote past or for eternity; 「千代」 carries a celebratory blessing nuance, as in the national anthem's 「千代に八千代に」.
• Synonym万古ばんこWrittenWritten-style word for the distant past, unchanging from antiquity; 「千代」 instead carries a blessing-for-longevity nuance.
• Synonym久遠くおんWrittenWritten-style word with a Buddhist flavor for limitless remoteness of time; 「千代」 instead carries a blessing-for-longevity nuance.
• Related永遠えいえんNeutralThe everyday, most common word for eternity; 「千代」 is a term of waka poetry and ritual blessing.
• Related永久えいきゅうNeutralMeans permanence and is also the name of an era; 「千代」 leans toward ritual blessing.
• Related恒久こうきゅうWrittenWritten-style word for unchanging permanence, as in 「恒久平和」; 「千代」 leans toward blessing.
• Related永代えいたいWrittenWritten-style word seen in set phrases such as 「永代供養」; 「千代」 leans toward blessing.
• Related永世えいせいWrittenWritten-style word for eternity or a lifetime title, as in 「永世中立」; 「千代」 leans toward blessing.
• Related万世ばんせいWrittenAlso written 「万世」; means generation upon generation down the ages, as in 「万世一系」; 「千代」 is more classically elegant.
• Related長久ちょうきゅうWrittenWritten-style word for long duration, also an era name; seen in 「武運長久」; 「千代」 leans toward ritual blessing.
• Related悠久ゆうきゅうWrittenWritten-style word for long, distant duration, as in 「悠久の歴史」; 「千代」 leans toward blessing.
• Related万代ばんだいWrittenWritten-style word for all generations, everlasting; 「千代」 is more classically elegant and is used mainly in ritual blessings.
• Related永劫えいごうWrittenWritten-style word for immensely long ages; 「千代」 leans toward blessing.
• Related常世とこよWrittenWritten-style word for eternity or the land of the dead, 「常世の国」; 「千代」 leans toward wishing long duration.
• Related万劫ばんごうWrittenWritten-style Buddhist term for endless stretches of time; 「千代」 leans toward blessing.
• Related無窮むきゅうWrittenWritten-style word for endlessness, as in 「天壌無窮」; 「千代」 leans toward blessing.
• Related未来永劫みらいえいごうWrittenWritten-style four-character word for forever and ever; 「千代」 is more concise.
• Related万劫末代まんごうまつだいWrittenWritten-style four-character word for all eternity, generation after generation; 「千代」 is more concise and elegant.

「千代」 is the word waka poetry and ritual blessings use to wish long duration, as in 「千代に八千代に」. For everyday 'eternity' pick 「永遠」 or 「永久」; for a long, distant history 「悠久」; for Buddhist vast ages 「久遠」 or 「永劫」. The rest are written-style: 「千古」「万古」 for remote antiquity, 「万代」「永代」「永世」「長久」 for generations without end, 「恒久」 for unchanging permanence, 「常世」「無窮」「万劫」 for endlessness, and the four-character 「未来永劫」「万劫末代」 for 'forever and ever'. Reserve 「千代」 for celebratory, classical contexts.

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

1. 千せん年ねん。
2. 長ながい年月としつき。