Correct spelling for the English word "underbeadle" is [ˌʌndəbˈiːdə͡l], [ˌʌndəbˈiːdəl], [ˌʌ_n_d_ə_b_ˈiː_d_əl] (IPA phonetic alphabet).
The etymology of the word "underbeadle" is a combination of the words "under" and "beadle".
"Under" is derived from the Old English word "under", which means "beneath or below". It has remained relatively unchanged in its meaning throughout history.
"Beadle" has a more complex etymology. It originates from the Old English word "bydel", which referred to an officer or messenger. This word has Germanic roots and is related to the Middle High German word "büte(n)", meaning "to command". In medieval times, a beadle was an officer or servant who performed various administrative or ceremonial tasks in a village or university, such as maintaining order, carrying messages, or serving as a religious attendant.
The term "underbeadle" emerged in the context of British universities, specifically Oxford and Cambridge. It referred to the deputy or assistant to the beadle.