coast (2 old edd. “cost,” which some take to be the verb ‘cost’=cause the loss of)
1.
to go a roundabout
way, travel circuitously
Err. I. i. 134
“And, c-ing homeward,
came to Ephesus,”
H8 III. ii. 38
“how he c-s And hedges
his own way”
; to make progress against obstacles
Ven. 870
“all in haste she
coasteth to the cry.”
2.
to assail, attack
3H6 I. i. 268
“Whose haughty spirit .
. . Will coast my crown.”