The meaning of “μηκέτι”

“And when he saw a fig tree in the way, he came to it, and found nothing thereon, but leaves only, and said unto it, Let no fruit grow on thee henceforward for ever. And presently the fig tree withered away.”

“She said, No man, Lord. And Jesus said unto her, Neither do I condemn thee: go, and sin no more.”

“Let us not therefore judge one another any more: but judge this rather, that no man put a stumblingblock or an occasion to fall in his brother’s way.”

“This I say therefore, and testify in the Lord, that ye henceforth walk not as other Gentiles walk, in the vanity of their mind,”

“Drink no longer water, but use a little wine for thy stomach’s sake and thine often infirmities.”