'Custom' in the Bible

It was her custom to sit under the palm tree of Deborah between Ramah and Bethel in the hill country of Ephraim, and the Israelites went up to her for judgment.

And it came to pass at the end of two months, that she returned unto her father, who did with her according to his vow which he had vowed: and she knew no man. And it was a custom in Israel,

And Manoah saith, 'Now let thy words come to pass; what is the custom of the youth -- and his work?'

And the five men go, and come in to Laish, and see the people which is in its midst, dwelling confidently, according to the custom of Zidonians, quiet and confident; and there is none putting to shame in the land in any thing, possessing restraint, and they are far off from the Zidonians, and have no word with any man.