# sigmatic

> English word · Adjective

## Definitions
1. Having the consonant s added to the root in order to form a tense or case stem.
2. Relating to sigmatics.

## Etymology
From the name of the letter s in Greek, Ancient Greek σῖγμᾰ (sîgmă) (stem σῑ́γμᾰτ- (sī́gmăt-)) + -ic.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/sigmatic