The word "labda" is spelled with four letters: L-A-B-D-A. In International Phonetic Alphabet (IPA), it is /ˈlæbdə/. The first sound, /l/, is a voiceless alveolar lateral approximant. The second sound, /æ/, is a near-open front unrounded vowel. The third sound, /b/, is a voiced bilabial stop. The fourth sound, /d/, is a voiced alveolar stop. The final sound, /ə/, is a schwa. In Greek, "labda" written as "λάμδα" also represents the number 30.
The word "labda" originates from the Greek language and has been borrowed into English from various languages, including Latin. In Greek, the word "λάβδα" (lábda) referred to a small ball or sphere-shaped object. It later evolved into the Latin word "lambdō" with a similar meaning. From there, it has been adopted into modern languages, often referring to the letter "L" in the Greek alphabet. Additionally, "labda" is sometimes used in scientific or mathematical contexts to describe various shapes or objects resembling a small ball.