The spelling of the word "Usurpant" seems puzzling at first glance, but can be explained using IPA phonetic transcription. In this case, the "ant" ending suggests a present participle or adjective form. Meanwhile, the use of "usurp" as a base word indicates that the "u" represents a short "uh" sound, pronounced like "uh-SERP-ant". The unusual spelling of "usurp" can be traced back to its Latin origin, "usurpare", which is the source of the English word's distinctive meaning of seizing power or authority without right.
The word usurpant does not have an established etymology as it is not a commonly used term in the English language. It is possible that usurpant is a derived form of the verb usurp, which means to seize power or control unlawfully. The word usurp comes from the Latin usurpare, which combines usus (use) with rapere (to seize). However, without any specific reference or context, it is difficult to provide a definitive etymology for usurpant.