"Original man" and "of or relating to Tugen Hills" are literal English equivalents of the respectively Tugen and Latin words Orrorin tugenensis. The phrase references a possible predecessor -- about 6,100,000 - 5,700,000 years ago in Kenya's Tugen Hills -- to the bonobos, chimpanzee, gorilla, and human family Hominiae.
"He" is English is the personal pronoun is in Latin.
The verb est in Latin is "is" in English.
Testamentum in Latin is "testament" or "will" in English.
"Short" in English is brevis in Latin.
"Mind" in English is mens in Latin.
Quī in Latin means "what" or "which" or "who" in English.
Infernus in Latin is "hellish" in English.
M in Latin is "1,000" in English.
"Family" in English is familia in Latin.
"Life" in English is vita in Latin.
"Humility" in English is humilitas in Latin.
"Are you with me?" in English is Estis cum me? or Estis mecum? in Latin.