Word: eikh

Pronounce: i-kay'

Strongs Number: G1500

Orig: probably from 1502 (through the idea of failure); idly, i.e. without reason (or effect):--without a cause, (in) vain(-ly). G1502

Use: TDNT-2:380,203 Adverb

Heb Strong:

1) inconsiderably, without purpose, without just cause
2) in vain
2a) without success or effort