The prefix “il-” typically modifies the beginning of words borrowed from Latin. It often appears before words starting with “l,” creating a double “l” effect. For instance, “illuminate” derives from the Latin “illuminare,” and “illegal” comes from “in-” + “legalis.” This prefix generally signifies negation or opposition, as seen in “illegitimate” or “illogical,” but it can also intensify meaning, as in “illustrious.”
Understanding prefixes like “il-” is essential for vocabulary development and comprehension. Recognizing the Latin roots of these words unlocks their meaning, aiding in deciphering unfamiliar terminology encountered in academic texts or daily life. This knowledge also contributes to a deeper appreciation of the historical evolution of language and the interconnectedness of English with other languages.