An embryo (/ˈɛmbrioʊ/ EM-bree-oh) is the initial stage of development for a multicellular organism. In organisms that reproduce sexually, embryonic development is the part of the life cycle that begins just after fertilization of the female egg cell by the male sperm cell.

https://en.wikipedia.org/wiki/Embryo

bro thinks he is safe from his mom googling “how to delete linux” and typing rm rf