(פ') להאריך

v. extend, lengthen, make longer

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Verb
1. lengthen in time; cause to be or last longer; "We prolonged our stay"; "She extended her visit by another day"; "The meeting was drawn out until midnight"
(synonym) protract, extend, draw out
(hypernym) lengthen
(hyponym) extend
(verb-group) carry, extend
(derivation) lengthiness, prolongation, continuation, protraction
2. lengthen or extend in duration or space; "We sustained the diplomatic negociations as long as possible"; "prolong the treatment of the patient"; "keep up the good work"
(synonym) sustain, keep up
(hypernym) continue, uphold, carry on, bear on, preserve
(hyponym) retain, continue, keep, keep on, keep going
(derivation) lengthiness, prolongation, continuation, protraction

v. prodloužit

Czas. przedłużać

(a.)
To put off to a distant time; to postpone.
  

(a.)
To lengthen in time; to extend the duration of; to draw out; to continue; as, to prolong one's days.
  

(a.)
To extend in space or length; as, to prolong a line.