How to say "ethos" in Japanese

• 気風きふうJLPT N1approx.Common
  nounCovers ethos as the distinctive character or temperament that pervades a group, organization, or era — its prevailing traits and atmosphere. It suits descriptions of a school's or a company's ethos.
• 精神せいしんJLPT N3approx.Common
  nounCovers ethos in the sense of 'spirit': the guiding spirit behind a group or institution. It also means mind, soul, and heart, so 気風 is the more precise choice for a group's character.
  我々われわれは精神せいしんを養やしなわなければならない。↗

  We need to nourish our spirit.

For ethos as the distinctive character or temperament of a group, organization, or era, use 気風; choose 精神 when you mean ethos as a guiding or animating spirit, though it broadly means mind, spirit, soul, and heart.

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

• 気風きふうcharacter
• 精神せいしんmind
• エートスethos