The word "oldnesses" is spelled with a silent "e" at the end of the word, which is not pronounced. The IPA phonetic transcription for this word is /oʊldnəsəz/. The sound of the "o" in "old" is the diphthong /oʊ/, followed by the consonant cluster /ld/. The final syllable is pronounced with the unstressed schwa sound /ə/ followed by the plural marker /z/. Despite the unusual appearance of this word, its spelling follows the conventional rules of English.
The word "oldnesses" seems to be derived by adding the suffix "-nesses" to the adjective "old".
The adjective "old" originated from the Old English word "eald", which is related to the Old High German "alt" and the Gothic "alpeis". These words all shared a common ancestral root called "alda", meaning "grown up" or "mature".
The suffix "-ness" is used to form a noun and denotes a state or quality. Adding the plural marker "-es" creates "oldnesses", meaning multiple instances or qualities of being old.