noun
esprit de corps; team spirit
Refers to the shared sense of pride, loyalty, and fellowship among members of a group, such as a military unit, sports team, or organization.
強い団の精神が、チームを優勝に導いた。
Strong team spirit led the team to victory.
軍隊では団の精神が何よりも重視される。
In the military, esprit de corps is valued above all else.
連帯感 is a broader term for a sense of solidarity, not necessarily tied to a specific group or corps.
Compound of 団 (group, corps) + の (possessive particle) + 精神 (spirit, mind). The phrase is a direct translation of the French 'esprit de corps' and entered Japanese through military and organizational contexts.