The spelling of the word "Ladde" may seem unusual, but it follows standard English phonetic rules. In IPA phonetic transcription, the word is spelled [læd]. The "e" at the end is silent and serves to indicate that the "a" should be pronounced with a short sound, as in "cat" or "hat". The double "d" indicates that the preceding vowel sound should be pronounced with a slight emphasis or force, as in "add" or "odd". Overall, the spelling of "Ladde" is consistent with English spelling conventions.
The word "ladde" has Old English origins and can be traced back to the Proto-Germanic word *hladjaną, which means "to load" or "to heap". In Old English, it was spelled as "hlǣġan" and later evolved to "ladde" in Middle English. The word primarily referred to a device used for climbing or ascending. Over time, its meaning expanded to include various forms of ladders used for different purposes.