We sailed coastwise for days before finding a harbor
adjective
2.
following the coast
Word origin
[1685–95; coast + -wise]This word is first recorded in the period 1685–95. Other words that entered Englishat around the same time include: blowhole, fatigue, lens, overlap, protectorate-wise is a suffix used to form adverbs denoting manner, position, direction, reference,etc. Other words that use the affix -wise include: dollarwise, spokewise, stepwise, sunwise, warpwise