Sentence:  And although we be vnworthy (through our manyfolde ſynnes) to offre vnto thee any Sacryfice: Yet we beſeche thee to accepte thys our <WSD>bounden</WSD> duetie and ſeruice: and commande theſe our prayers and ſupplicacions, by the Miniſtery of thy holy Angels, to be brought vp into thy holy Tabernacle before the ſyght of thy dyuine maieſtie: ... 
Meaning of the word marked with <WSD> tags:  "Now chiefly in the term" '''bounden duty''': made obligatory; binding.