The word "Lithonthryptic" is a combination of "litho" (rock) and "thryptic" (carving), referring to the art of carving or cutting into rock. The spelling can be broken down using the International Phonetic Alphabet (IPA). It starts with the voiced "l" sound, followed by the voiceless "θ" sound, then "ɒ" for the short "o" sound. Next is the unvoiced "n" sound, followed by the voiced "θ" sound, then "ɹ" for the "r" sound, and finally the vowel sound "ɪ" and a voiceless "k" sound.