English eye-apple

← Old English ēagæppel (inherited)

← Danish øjeæble (cognate)

← German Augapfel (cognate)

← English eye (affix)

← English apple (affix)

← Middle English ij appel (inherited)

← West Frisian eachappel (cognate)

← Proto-West Germanic *augapl (inherited)

← Dutch oogappel (cognate)

← Norwegian øyeeple (cognate)

→ English apple of someone's eye (cognate)

→ English apple of the eye (mention)