What is the meaning of Geno?

Genocide.

To (commit) genocide.

a gene

gene (unit of heredity)

first-person singular present indicative of genare

to bring forth as a fruit of oneself: to bear, to beget, to engender, to give birth to

: to cause, to produce, to yield

: to be born, to be begotten, to be engendered, to be produced

vocative singular of genă

Source: wiktionary.org