θέλημα
From LSJ
μὴ ἐν πολλοῖς ὀλίγα λέγε, ἀλλ΄ ἐν ὀλίγοις πολλά → don't say little in many words, but much in a few words (Stobaeus quoting Pythagoras)
English (LSJ)
ατος, τό, (θέλω)
A will, Antipho Soph.58 (pl.), Aen.Tact. 18.19, LXX Es.1.8, al., Ev.Matt.7.21, POxy.924.8 (iv A.D.). II ἔστιν μοι θ. ἔν τινι pleasure in... LXX Ec.12.1, cf. 5.3:—also θελ-ήμη, ἡ, Theognost.Can.112.