שָׁלַשׁ (shâlashshaw-lash'verbdo a third time)
[Heb] שָׁלַשׁ ETCBC: שׁלשׁ‎ (verb|be three) OSHL: v.du.ac TWOT: 2403 GK: H8992
Derivation: a primitive root perhaps originally to intensify, i.e. treble; but apparently used only as denominative from שָׁלֹושׁ,
Strong's: to be (causatively, make) triplicate (by restoration, in portions, strands, days or years)
KJV: do the third time, (divide into, stay) three (days, -fold, parts, years old).