The story
- Medieval Latin · derived fromimpraegnō
- Old French · derived fromenpreignier, enpreigner
- Middle English · inherited fromimpregnen“to make a woman pregnant, impregnate”
- English todayimpregn
First attested in the early 15ᵗʰ century, in Middle English; from Middle English impregnen (“to make a woman pregnant, impregnate”), from Old French enpreignier, enpreigner (French imprégner), ultimately from Medieval Latin impraegnō. Doublet of impregnate.
Etymology from Wiktionary, CC BY-SA 4.0.