You searched for: “owed
ode, owed
ode (OHD) (noun)
A poem characterized by effusive expressions of feelings and complexity of stanza forms: The Poet Laureate for the City wrote an ode to honor the workers who built the subway tunnels.
owed (OHD) (verb)
To have been indebted to another person for something or to have been under obligation to repay a debt: Jerry owed the bank a large sum of money to clear the loan he obtained to start up his new business.

Lottie owed a great deal of gratitude to her English professor for introducing her to poetry including the famous ode which celebrated the Nordic heroes of ancient times.