Origin: bef. 900; (n.) ME evesdrope,evesdripe, OE yfesdrype; as v., prob. back formation from eavesdropper, late ME evisdroppyr, appar. lit., one who stands on the eavesdrop in order to listen to conversations inside the house; see eave, drop, drip
eaves·drop (ēvz'drŏp') intr.v.
eaves·dropped, eaves·drop·ping, eaves·drops To listen secretly to the private conversation of others.
[Probably back-formation from eavesdropper, one who eavesdrops, from Middle English evesdropper, from evesdrop, place where water falls from the eaves, from Old English yfesdrype; see upo in Indo-European roots.] eaves'drop'per n.
1487, from O.E. yfesdrype "place around a house where the rainwater drips off the roof," from eave (q.v.) + drip. Technically, "one who stands at walls or windows to overhear what's going on inside."
Main Entry: eaves·drop Function: intransitive verb Inflected Forms: eaves·dropped; eaves·drop·ping : to listen secretly to what is being said in private without the consent of the speaker —compare BUG, WIRETAP —eaves·drop·pernoun