octagon的词源

英文词源

octagon (n.)

1650s, from Latin octagonos, from Greek oktagononos, literally "eight-angled," from okta- comb. form of okto "eight" (see eight) + gonia "angle," related to gony "knee" (see -gon). Also octogon (1650s), from French octogone.

中文词源

octagon：八边形，八角形

octa-,八，-gon,边，角，词源同knee,decagon.

该词的英语词源请访问趣词词源英文版：octagon 词源，octagon 含义。