sawtooth

Etymology
From.

Noun

 * 1) A tooth of a saw: any of its series of projections, each with a cutting edge.

Noun

 * 1) A sawtooth wave.
 * 2) Any of various pierid butterflies of the genus.
 * 3)  A pattern whose living cell population reaches new peaks infinitely many times before dropping to a fixed value after each peak.

Translations

 * Chinese:
 * Cantonese: 鋸齒
 * Mandarin:
 * Dutch:
 * Faroese: sagtonn, sagartonn
 * Finnish: sahanhammas
 * French: dent de scie
 * German:
 * Italian:
 * Japanese: 鋸|のこぎり歯
 * Norwegian:
 * Bokmål: sagtann
 * Nynorsk: sagtann
 * Russian: зуб пилы́
 * Swedish:
 * Turkish: