A variant or archaic spelling of 'default,' meaning failure to meet an obligation or the standard setting used when no other choice is made.
From Old French 'defaute' (deficiency, lacking), from Latin 'defaulta' (past participle of defalcare). This spelling variation appears in Middle English texts before standardization.
Old spelling variants like 'dfault' remind us that English spelling wasn't standardized until printing presses made consistency matter economically!
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