late 15c., "confused, unclear;" 1560s, "disturbed, put out of order," from Latin perturbatus "troubled, disturbed, agitated," past participle of perturbare (see perturb). Now rare or obsolete.
perturbate (v.)
"to disturb greatly," 1540s, from Latin perturbatus "troubled, disturbed, agitated," past participle of perturbare (see perturb). Related: Perturbated; perturbating. Now rare or obsolete.
pertinacity
pertinence
pertinency
pertinent
perturb
perturbate
perturbation
perturbed
pertussis
Peru
peruke
)window.location='https://www.paypal.com/cgi-bin/webscr?cmd=_donations&business=byronic106@yahoo.com&lc=US&item_name=Donation+to +Help+Keep+Etymonline+Free+and+Open&no_note=0&cn=&curency_code=USD&bn=PP-DonationsBF:btn_donateCC_LG.gif:NonHosted'){kind=link}