before 900;Middle Englishallwaye, alle wey;Old Englishealneweg, equivalent to ealne (accusative singular masculine of ealall) + wegway; the accusative denoted duration
Examples from the web for alway
Wherever there's money sloshing around, there's alway going to be villainy.
To convert energy from one form to another there is alway lost in form of heat.
Humans must alway search for the truth even if it leads to our demise.
It is alway the mindless first step that people take.
Horror is alway dread of harm that is to come, and this dread shall ever dwell in the hearts of them that be damned.
As you can see, this is the evolution of theory, alway running behind the facts.