BUFFY

Etymology

A pet form of Elizabeth (cf. Bethy), based on a child's unsuccessful attempts to pronounce the name. Popularized by the Buffy the Vampire Slayer franchise.

Proper noun

Buffy

A diminutive of the female given name Elizabeth.

Etymology

Adjective

buffy (comparative buffier, superlative buffiest)

Of a brownish yellow color.

Source: Wiktionary

Buff"y, a. (Med.)

Definition: Resembling, or characterized by, buff. Buffy coat, the coagulated plasma of blood when the red corpuscles have so settled out that the coagulum appears nearly colorless. This is common in diseased conditions where the corpuscles run together more rapidly and in denser masses than usual. Huxley.

Source: Webster’s Unabridged Dictionary 1913 Edition