costian
From Old English cost (“tried, proven”), from Proto-Germanic *kustōną. Akin to Old Saxon kostōn (“to try, tempt”), Old High German kostōn (“to taste, test, try by tasting”) (German kosten), Icelandic kosta (“to try, tempt”), Gothic 𐌺𐌰𐌿𐍃𐌾𐌰𐌽 (kausjan, “to taste”), Old English cost (“option, possibility; manner, condition”), Old English cystan (“to spend, get the value of, procure”), Old English cyst (“proof, test, trial; choice”), ċēosan (“to choose”). More at choose.
