(Latin: burere, "to burn up"; from urere, with an inserted or faulty separation of b in amburere, "to burn around"; which stands for amb-urere, "to burn around", but it was misdivided into am-burere and because of this misdivision, the new verb burere was formed with the past participle bustum; so, it really came from urere, "to burn, to singe")

(Latin: to glow, to glow with heat; to burn; to glitter, to shine; white)

(Greek: fire, burn, burnt, burner; from kaustikos, "capable of burning" or "burning" and kaukstos, "combustible" and from kaiein, "to burn")

(Latin: to shine, to flash, to glow, to burn; fulmi-, lightning, thunder forth, denounce; related to fulg-)