An important adjective suffix, added to noun stems, is -εις, -εσσα, -εν (-ϝεντ-). Adjectives so formed signify that with which something is equipped or furnished: “σκιόεις” (“σκιή”), ‘shady’; “ἠχήεις” (“ἠχή”), ‘echoing’; “χαρίεις” (“χάρις”), ‘graceful.’