Sentence:  Each day ſtill better others happineſſe,/ Vntill the heauens enuying earths good <WSD>hap</WSD>,/ Adde an immortall title to your Crowne. 
Meaning of the word marked with <WSD> tags:  That which happens; an occurrence or happening, especially an unexpected, random, chance, or fortuitous event; chance; fortune; luck.