motto
US /ˈmɑː.t̬oʊ/
UK /ˈmɑː.t̬oʊ/

1.
lema, mote
a short sentence or phrase chosen as encapsulating the beliefs or ideals of an individual, family, or institution
:
•
Their family motto is 'Strength in Unity'.
O lema da família deles é 'Força na Unidade'.
•
The school's motto encourages perseverance.
O lema da escola incentiva a perseverança.