obpango

oppango ( obp- ), pēgi, pactum, 3, v. a. [ob-pango], to fasten or fix on, to affix (anteclass. and in post-Aug. prose):

ubi savium oppegit, fugit,

imprinted, Plaut. Curc. 1, 1, 60: repagula, quae... ex contrario oppanguntur, Paul. ex Fest. s. v. repagula, p. 281 Müll.