quill (n.)youdaoicibaDictYouDict[quill 词源字典]
c. 1400, "piece of reed or hollow stem of a feather," probably related to Middle High German kil "quill," from Low German quiele, of unknown origin. Meaning "pen made from a (goose) quill" is from 1550s; that of "porcupine spine" is from c. 1600.[quill etymology, quill origin, 英语词源]