The spelling of the word "hammer deroburt" is likely a phonetic transcription of an unknown or invented word. Using IPA phonetic transcription, we can break down the spelling as follows: /hæmər/ /dɛrəbərt/. The first part, "hæmər," represents the English word "hammer" pronounced with the vowels "æ" and "ə" between the consonants. The second part, "dɛrəbərt," does not correspond to any known English word or name. It may be a combination of phonemes or syllables that the author of the transcription created.