Learn how to say Elapsing correctly in English with this tutorial pronunciation video.
Oxford dictionary definition of the word elapse:
(of time) pass or go by:
weeks elapsed before anyone was charged with the attack
late 16th century (in the sense ‘slip away’): from Latin elaps- ‘slipped away’, from the verb elabi, from e- (variant of ex-) ‘out, away’ + labi ‘to glide, slip’