familyadvancedspain
El/La hermano/a de leche
/el/la er-MA-no/a de LE-che/
The milk sibling
Literal translation
The milk brother/sister
When to use it
Refers to someone who was breastfed by the same woman (not necessarily a biological sibling), creating a strong bond. Rare but culturally significant.
In conversation
Aunque no somos hermanos de sangre, somos hermanos de leche, nos criamos juntos.
“Even though we're not blood siblings, we're milk siblings—we grew up together.”