hypercatalexis

[ hahy-per-kat-l-ek-sis ]
/ ˌhaɪ pərˌkæt lˈɛk sɪs /

noun, plural hy·per·cat·a·lex·es [hahy-per-kat-l-ek-seez] /ˌhaɪ pərˌkæt lˈɛk siz/. Prosody.

the addition of one or more syllables after the final foot in a line of verse.

Origin of hypercatalexis

First recorded in 1885–1890; see origin at hypercatalectic, -sis