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2 I taken was from nurse's tender pap,

pap > nipple, breast (cf. 109.3:7)

3 I have been trained up in warlike stour,

stour > conflict, combat

4 To toss spear and shield, and to affrap

affrap > strike (WUFQ)

5 The warlike rider to his most mishap;

mishap > misfortune

6 Sithens I loathed have my life to lead