Sentence:  Indeed 'tis very fitting that "He" or "She" ſhould have wherewith to ſupport both, according to their quality, at leaſt to <WSD>keep the Wolf from the Door</WSD>, otherwiſe 'twere a meer madneſs to Marry; ... 
Meaning of the word marked with <WSD> tags:  To ward off poverty or hunger.