anfractuous (adj.)youdaoicibaDictYouDict[anfractuous 词源字典]
"full of windings and turnings," 1620s, from Latin anfractuous, from anfractus "a winding, a turning, bending round," especially "a circuitous route," from am(bi)- "around" (see ambi-) + fractus, past participle of frangere "to break" (see fraction). Related: Anfractuosity.[anfractuous etymology, anfractuous origin, 英语词源]