2. By what; how; — used interrogatively. Whereby shall I know this Luke i. 18.

WHERE'ER
Wher*e'er", adv.

Defn: Wherever; — a contracted and poetical form. Cowper.

WHEREFORE
Where"fore, adv.& conj. Etym: [Where + for.]

1. For which reason; so; — used relatively. Wherefore by their fruits ye shall know them. Matt. vii. 20.

2. For what reason; why; — used interrogatively. But wherefore that I tell my tale. Chaucer. Wherefore didst thou doubt Matt. xiv. 31.

WHEREFORE
Where"fore, n.

Defn: the reason why. [Colloq.]

WHEREFORM
Where*form", adv. Etym: [Where + from.]

Defn: From which; from which or what place. Tennyson.