Where does “hazardful” come from?

hazardful (English) comes from English hazard, from Middle English hasard, from Old French hasart, from Arabic زهر, from Arabic ه, from Arabic كَهْرَبَاء, from Persian کهربا, from Persian کاه — to see; to look.

hazardful (English): Full of hazard; dangerous; risky

Definitions

  1. Full of hazard; dangerous; risky

Ancestry of “hazardful”, step by step

hazardful traces back through two separate lines of ancestry.

via English hazard

StepLanguageWordMeaning
1EnglishhazardThe chance of suffering harm; danger, peril, risk...
2Middle Englishhasardhazard; An individual who plays hazard; A crafty...
3Old Frenchhasarthazard; a score of six in a game of hazard; risk;...
4Arabicزهرto shine, to be radiant, to give light; flowers;...
5Arabicهhim, his, it, its; AH; Banū Ṭayyiʾ form of أَ
6Arabicكَهْرَبَاءelectricity
7Persianکهرباamber
8Persianکاهchaff; straw; hay
9Persianکاستنto decrease
10Proto-Iraniankas-to be small, diminish, lessen
11Proto-Indo-Europeankʷeḱ-to see; to look

via English ful

StepLanguageWordMeaning
1Englishful
Every word from Proto-Indo-European kʷeḱ-Every word from Proto-Iranian kas-Every word from Persian کاستن