ˈeŋlə̇n noun
( plural englyns -nz ; also englyn·ion eŋˈlinˌyȯn)
Etymology: Welsh
: a usually epigrammatic quatrain in Welsh poetry consisting of 30 syllables in lines of 10, 6, 7, and 7 syllables, the last three lines rhyming usually with the 6th syllable of the first line whose final syllable has no rhyme