10 letters · 15 points in Scrabble
noun a publication that appears at fixed intervals
adjective happening or recurring at regular intervals
originEtymology tree English period Proto-Indo-European *-ikos Proto-Italic *-ikos Latin -icuslbor. Old French -iquebor. Middle English -ic Proto-Indo-European *h₂el-der.? Proto-Italic *-ālis Latin -ālisbor. Old French -albor. ▲ Latin -ālis Old French -elbor. ▲ Latin -ālisbor. Middle English -al Middle English -ical English -ical English periodical From period + -ical.
Etymology from Wiktionary, CC BY-SA 3.0