Hyphenation
Pen·ta·gonTurkish pronunciation
pentîgänPronunciation
/ˈpentəˌgän/ /ˈpɛntɪˌɡɑːn/
Etymology
[ 'pen-t&-"gän ] (noun.) 1571. From French pentagone or late Latin pentagonum, from Greek πεντάγωνον, noun use of the neuter of the adjective πεντάγωνος ‘five-angled’, from πέντε ‘five’ + -γωνος ‘angled’.