The spelling of the word "Lenihan" is a bit tricky for non-native English speakers. The IPA phonetic transcription for Lenihan is /ˈlɛnəˌhæn/. The word is pronounced as "LEN-uh-han", with stress on the first syllable. The first "e" in Lenihan has a short sound, and the "i" is pronounced as "ih". The second "e" is silent, and the "a" is pronounced as "æ". Therefore, when spelling Lenihan, remember to use "e" for the first syllable, "i" for the second syllable, and "a" for the third syllable.
The word Lenihan is derived from the Irish language. It is a surname of Irish origin, specifically rooted in the Gaelic surname Ó Leannacháin. The prefix Ó signifies descendant of, while Leannacháin is believed to derive from the word leannán, which means lover or paramour in Irish. Therefore, the name can be interpreted as descendant of the lover or descendant of the paramour.