"dialogue in alternate lines," Latinized from Greek stikhomythia, from stikhos (see stichic) + mythos "speech, talk" (see myth) + abstract noun ending -ia. Related: Stichomythic.
stew
steward
stewardess
stewardship
stichic
stichomythia
stick
stickball
sticker
stick-in-the-mud
stickleback