Etymology

Noun

1. The basic impulses and instincts which govern one's actions.
2. A feeling of enmity, animosity or ill will.

   • "The current row arose swiftly, sparked both by historical animus and jockeying over future power and place in Asia - and it surprised many observers in the depth of antipathy on both sides." — Christian Science Monitor, April 22, 2005

3. The masculine aspect of the feminine psyche or personality.

Noun

1. mind, soul

   Tibi bene ex animo volo.

   I wish you well with all my heart.

   • Seneca

     Animus se ipse alit.

     The mind nourishes itself.