מֵישָׁר mêyshâr (H4339)

evenness, i.e. (figuratively) prosperity or concord; also straightness, i.e. (figuratively) rectitude (only in plural with singular sense; often adverbially)

1) evenness, uprightness, straightness, equity 1a) evenness, level, smoothness 1b) uprightness, equity 1c) rightly (as adv)

from יָשַׁר (H3474);