по его

by his

→ по
phrase Rare #34,072
by his The meaning of по depends on context; with его, it can also mean “along/across his,” “from his,” or “because of his.”
RU: По его голосу я понял, что он устал.
EN: I could tell from his voice that he was tired.

В фавеле неспокойно по его вине.

The favela is in disarray because of him.

— Город бога (2002)

Следовать по его стопам!

Follow in his footsteps!

— Жить (1952)

По его гордости.

According to his pride.

— Кто я (2014)

По его акценту я понял, что он американец.

From his accent I could tell he was American.

Он провёл рукой по его волосам.

He ran his hand through his hair.