出典:Wiktionary
From Middle English dydoppar, from earlier douedoppe, deuedep, dyuedap with agentive suffix -er, from 古期英語 dūfedoppa (“diving bird, pelican”), from dūfan (“to dive”) + *doppa (“diver”) (whence modern English dop (“diving bird”)). Synchronically equivalent to dive + dop + -er.
didapper (複数形 didappers)