close > secret ambassage > {Properly, a message brought by an ambassador; hence: message}

3 He roved at her, and told his secret care:

roved > fired, shot (used of arrows) care > mental suffering; esteem, love (Latin carus)

4 For all that art he learned had of yore.

yore > old

5 Nor was she ignorant of that lewd lore,

lore > teaching, doctrine

6 But in his eye his meaning wisely read,

wisely > skilfully, expertly

7 And with the like him answered evermore: 8 She sent at him one fiery dart, whose head 9 Empoisoned was with privy lust and jealous dread.