The English word "regret" denotes a feeling of sadness, repentance, or disappointment over something that has happened or been done. Its etymology traces back primarily to Old French, with deeper roots in the Germanic language family and ultimately to the Proto-Indo-European (PIE) substrate.
The term entered English in the 14th century as a borrowing from Old French "regreter," which originally meant "to bewail" or "to lament the dead." This Old French verb was used in the context of ritual public weeping, specifically mourning the deceased. The semantic field was thus initially quite narrow and tied to funerary practices and expressions of sorrow over death.
The Old French "regreter" itself is believed to derive from a Germanic source, likely Frankish *grētan, meaning "to weep." This is supported by cognates in other Germanic languages, such as Old English "grǣtan" and Old Norse "gráta," both meaning "to weep" or "to cry." These forms descend from the Proto-Germanic root *grētaną, which carried the same meaning of weeping or crying. The Proto-Germanic root is widely accepted as inherited from the PIE root *gʰreh₁d-, which is reconstructed to mean "to cry out" or "to call," though exact semantic nuances
The prefix "re-" in Old French, borrowed from Latin, means "again" or "back" and functions as an intensifier in this context. Thus, "regreter" can be interpreted as "to weep again" or "to weep repeatedly," emphasizing the persistence or intensity of the lamentation. This morphological construction suggests that the act of regretting involved a repeated or renewed expression of sorrow.
When the word was adopted into Middle English, it retained much of its emotional weight but gradually lost the specifically funerary connotation. Over time, the meaning broadened from ritual mourning to encompass any sorrowful feeling over something lost or done. By the early modern period, "regret" had developed a more cognitive dimension, referring not only to the emotional experience of sadness but also to the reflective wish that one had acted differently. This semantic shift represents a narrowing from a general emotional state of lamentation to a more specific psychological state involving reflection and remorse.
It is important to distinguish the inherited Germanic root *grētaną, which is native to English and other Germanic languages, from the Old French borrowing "regreter." While English has its own inherited verb "to greet" (originally meaning "to weep," now obsolete in that sense), "regret" entered English as a loanword from Old French, carrying with it a particular semantic and morphological structure not native to Germanic languages.
In summary, "regret" in English is a 14th-century borrowing from Old French "regreter," itself derived from a Frankish or related Germanic source cognate with Old English "grǣtan" and Old Norse "gráta," all ultimately descending from Proto-Germanic *grētaną and PIE *gʰreh₁d-. The addition of the Latin-derived prefix "re-" in Old French intensifies the meaning, originally denoting repeated weeping, especially in the context of mourning the dead. Over centuries, the term's meaning broadened and then narrowed semantically, evolving from ritual lamentation to a complex emotional and cognitive state involving sorrow and remorse over past actions.