The term 'BIRD' can be broken down into three parts: ornitho (7 letters), avi (3 letters), and RFK (3 letters). Ornitho is a prefix derived from the Greek word for BIRD, ornis. Avi is a Latin root meaning BIRD. RFK is an acronym for Robert F. Kennedy, who was known for his work in protecting birds and other wildlife. Together, these three terms form the term 'BIRD, ' which is used to refer to any warm-blooded vertebrate with feathers, wings, and a beak.