Английский Этимологический словарь - sore

- O.E. sar "painful, grievous, aching," infl. in meaning by O.N. sarr "sore, wounded," from P.Gmc. *sairaz, from PIE base *sai- "suffering." Adv. use (cf. sore afraid) has mostly died out, but remains the main meaning of Ger. cognate sehr "very." Sense of "bodily injury" was in O.E. Slang meaning "angry, irritated" is first recorded 1738.