s 1 i 1 g 2 m 3 a 1
5 letters · 8 points in Scrabble
Meaning
noun the 18th letter of the Greek alphabet
originFrom Ancient Greek σῖγμα (sîgma), probably from the root σῑγ- (sīg-) as seen in σίζω (sízō, “to hiss”) + -μα (-ma, nominal suffix).
Etymology from Wiktionary, CC BY-SA 3.0