07723 shav' {shawv} or shav {shav}
from the same as 07722 in the sense of desolating; TWOT - 2338a; n m
AV - vain 22, vanity 22, false 5, lying 2, falsely 1, lies 1; 53
1) emptiness, vanity, falsehood
1a) emptiness, nothingness, vanity
1b) emptiness of speech, lying
1c) worthlessness (of conduct)