scintilla
Word family adjectivescintillantscintillatingverbscintillateadverbscintillatinglynounscintillationscintillatorscintilliscanscintillometerscintilloscopescintilla
scin·til·la /sɪnˈtɪlə/ noun [singular] NONE/NOTHINGa very small amount of something 一星半点,毫厘scintilla of There isn’t a scintilla of evidence. 一点证据也没有。
Origin scintilla (1600-1700) Latin “spark”