per-

(Latin: through, across, over; beyond, by means of)

perpetuate
1. To make something; such as, a situation or process, to continue, especially something that is wrong, unfair, or dangerous: "The current economic policy that is being proposed by the politicians only serves to perpetuate the divide between the rich and the poor."
2. To cause something to continue indefinitely; to make a situation perpetual.
3. To prolong the existence of; to cause to be remembered: "Building the new library will perpetuate the resources needed for people to enhance their learning." 4. To preserve or make testimony available for later use at a legal trial by means of deposition; especially, when the evidence so gathered would be otherwise unavailable or lost.
5. To preserve from extinction or oblivion.
perpetuation
1. The act of prolonging something or to cause to last indefinitely.
2. The act of preserving from extinction through an endless existence or for an indefinite period of time; a continuance.
perpetuity, in perpetuity
1. Time without end; eternity or the rest of time which is an endless or indefinitely long duration or existence.
2. An annuity payable indefinitely or an investment designed to pay an annual return indefinitely, having no maturity date.
3. A situation in which something or someone is being in perpetuity; such as, to desire happiness in perpetuity.
4. A continued, uninterrupted existence, or a duration for an indefinite period of time; such as, the perpetuity of laws and institutions; the perpetuity of fame.
perplex
perplexity
perquisite
persecute, (verb), persecutes; persecuted; persecuting
To treat people extremely badly, or to refuse to allow them to have equal rights; especially, because of their race, religion, or political beliefs: "Through out history, there have been minority groups; such as, the Jews, the Blacks, and other people who have been persecuted by being deprived of their rights and even of their lives; and sad to say, such persecuting is still going on in the world."
persecution (noun)
persecutor (s) (noun), persecutors (pl)
persiflage (PUR suh flahzh") (s) (noun)
1. Light or teasing good-natured talk or writing: "When the basketball star failed to make the winning basket, he had to endure the persiflage from his coach and teammates."
2. A joking relationship or frivolity in the treatment of something: "After the election, the politician went to the reception where there was persiflage or light teasing repartee instead of criticism of losing the necessary votes to win."
persist
1. To keep carrying on, to continue steadily or obstinately despite problems, difficulties, or obstacles.
2. To be obstinately repetitious, insistent, or tenacious.
3. To hold firmly and steadfastly to a purpose, state, or undertaking despite obstacles, warnings, or setbacks.
4. To continue being widely believed or accepted despite evidence or proof to the contrary. a view that persists to this day.
5. To continue happening, lasting, or existing.
6. Etymology: existing since 1538, from Middle French (about 1400-1600) persister, from Latin persistere, "to continue steadfastly"; from per-, "thoroughly" + sistere "to come to stand, to cause to stand still".
persistence
1. The quality of continuing steadily despite problems or difficulties.
2. To go on resolutely or stubbornly in spite of opposition, importunity, or warnings.
persistency
A staying or continuing quality.
persistent
1. Tenaciously or obstinately continuing despite problems or difficulties.
2. Incessant or unrelenting; existing or continuing for an unpleasantly long time.
3. Constantly repeated; continued; such as, persistent noise.
persistently
To continue to exist past the usual time, or to continue to do something in a determined way even when facing difficulties or opposition.