長ちょう幼ようちょうようMeanings1nounyoung and old; age orderRefers to the relationship or order between older and younger people, often in formal or Confucian contexts such as 長幼の序 (order of seniority).長ちょう幼ようの序じょをわきまえることは、社しゃ会かいの基き本ほんです。Expressions長ちょう幼ようの序じょage-based hierarchy; seniority order