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English word worthwhile comes from English worth, English while
worth (English)
(obsolete, except in set phrases) To be, become, betide. (obsolete, except in Scots) Valuable, worth while.. Deserving of.. Having a value of; proper to be exchanged for.. Making a fair equivalent of, repaying or compensating. (countable) Value.. (uncountable) Merit, excellence.
while (English)
(Northern England, Scotland) Until.. Although.. As long as.. During the same time that. (Northern England, Scotland) Until. (transitive) To pass (time) idly.. To loiter. An uncertain duration of time, a period of time.
worthwhile (English)
Good and important enough to spend time, effort, or money on.