Middle English: thilke (pronounced roughly as "THIL-kuh")
Origin: Formed from Old English þē ("the") + ilca ("same")
In Middle English, thilke was a demonstrative pronoun or adjective meaning "that same" or "that very". It was used to refer emphatically to a specific person, thing, or concept that had been previously mentioned or was understood from context.
The word appears frequently in medieval texts, most famously in the works of Geoffrey Chaucer. It served to create emphasis and clarity when referring back to something already discussed.
"Thilke same ship that I shal telle of, was called Argo..."
— Geoffrey Chaucer, The Legend of Good Women
As Middle English evolved into Early Modern English (around the 15th-16th centuries), the word thilke fell out of common usage. Its function was gradually replaced by simpler demonstratives like "that" combined with intensifiers such as "same" or "very."
The word represents a fascinating glimpse into how English once had more specific grammatical tools for emphasis and reference that have since been simplified or lost entirely.
Today, thilke serves as a charming reminder of the rich linguistic heritage of English. While no longer in active use, it captures the medieval precision and flavor that characterized the language of Chaucer's time—a period when English was transforming from its Anglo-Saxon roots into the versatile tongue we know today.