ˈäktəˌstik noun
also oc·tas·ti·chon äkˈtastəˌkän
( plural octastichs -ks ; also octasti·cha -stə̇kə)
Etymology: Late Greek oktastichon, neuter of oktastichos consisting of eight lines, from Greek okta- octa- + stichos line; akin to Greek steichein to go — more at stair
: a verse unit of eight lines