U+0375 "͵" Greek Lower Numeral Sign Unicode Character

U+0375 "͵" Greek Lower Numeral Sign is a combining mark used in ancient Greek numeral systems to indicate that a following alphabetic character represents a number multiplied by one thousand, effectively functioning as a lower thousands digit indicator in textual inscriptions and manuscripts. This sign appears below the baseline of text, distinguishing it from the more common upper keraia, and is placed before a Greek letter to denote a value like 1000, 2000, and so on, serving as a critical component in the historic representation of large numbers in Greek writing.