Where does “well-thought-out” come from?

well-thought-out (English) comes from English thought-out, from English thought, from Middle English thought, from Old English þōht, from Proto-Germanic þanhtaz, from Proto-Germanic þankijaną, from Proto-Indo-European teng- — to think.

well-thought-out (English): Well-planned; with much forethought

Definitions

  1. Well-planned; with much forethought

Ancestry of “well-thought-out”, step by step

well-thought-out traces back through two separate lines of ancestry.

via English thought-out

StepLanguageWordMeaning
1Englishthought-outplanned
2EnglishthoughtForm created in the mind, rather than the forms...
3Middle Englishthoughtproduct of mental activity
4Old Englishþōhtthought
5Proto-Germanicþanhtazthought, idea
6Proto-Germanicþankijanąto perceive, to think
7Proto-Indo-Europeanteng-to think

via English well

StepLanguageWordMeaning
1EnglishwellAccurately, competently, satisfactorily;...
2Middle Englishwellento boil, to bubble
3Old Englishweallanto well
4Proto-Germanicwallanąto well up, spring out, bubble forth
5Proto-Indo-EuropeanwēlH-to roll, to undulate
6Proto-Indo-EuropeanwelH-to turn, to wind
Every word from Proto-Indo-European teng-Every word from Proto-Germanic þankijanąEvery word from Proto-Germanic þanhtaz