How did boy come into modern English
http://www.etymonline.com/index.php?search=boy&searchmode=none
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The word "boy" originated from the Old English word "bōia" or "Bofi," which referred to a servant or a male servant in a household. Over time, the meaning of "boy" expanded to include young males in general. The evolution of words in a language can be traced by studying their etymology, which involves looking at the historical development and origins of words.
To explore the history of the word "boy" in modern English, you can conduct research using reliable sources such as etymology dictionaries, language history books, or academic articles. Online resources like the Oxford English Dictionary can provide detailed information about the historical usage and changes in meaning of words. By examining the progression of the word over time, linguists and lexicographers can shed light on how "boy" entered modern English and gained its current meaning.