Where does “ความพยายาม” come from?

ความพยายาม (Thai) comes from Thai พยายาม, from Sanskrit व्यायाम, from Sanskrit आयाम, from Sanskrit आयम्, from Sanskrit आ, from Sanskrit धा, from Proto-Indo-European *dʰaH-.

Ancestry of “ความพยายาม”, step by step

ความพยายาม traces back through two separate lines of ancestry.

via Thai พยายาม

StepLanguageWordMeaning
1Thaiพยายามto make an effort; to endeavor; to strive; to struggle; to try; to attempt; to persevere; to persist
2Sanskritव्यायामdragging different ways, contest, strife, struggle
3Sanskritआयामstretching, extending; restraining, restrained,...
4Sanskritआयम्to stretch, lengthen out, extend; to stretch; to...
5Sanskritseparated form of आ-; With senses determined by...
6Sanskritधाto put, place, set, lay in or on
7Proto-Indo-European*dʰaH-

via Thai ความ

StepLanguageWordMeaning
1Thaiความaffair; matter; content; essence; subject;...
2Proto-Taiɣwaːmᴬmatter
Every word from Proto-Indo-European *dʰaH-Every word from Sanskrit धाEvery word from Sanskrit
ความพยายาม — Etymology, Origin & Word History | Etymology Explorer