"come Hell or __", Through Difficult Circumstances

This page is the CodyCross answer for the clue below from The 70's, Group 336, Puzzle 1 (Watership Down).

Question is: "come Hell or __", Through Difficult Circumstances

and the answer is: HIGHWATER

Word Meaning:

HIGH WATER — (uncountable) The location of high tide on a coastal area.

Definitions from Wiktionary.

"Come hell or __", through difficult circumstances — CodyCross Answer | CodyCross Solutions