Strong's H7611שְׁאֵרִית: a remainder or residual (surviving, final) portion KJV:that had escaped, be left, posterity, remain(-der), remnant, residue, rest.
Meanings: Brown-Driver-Briggs (1906) and Strong's Hebrew Dictionary (1890), public domain, via the Open Scriptures Hebrew Bible Project (CC BY 4.0). TWOT numbers for reference only.
Root family 2307: שָׁאַרšāʾar — remain, be left over; be left behind; leave over, spare, leave, keep over; swell, be, make, redundant; left, let, remnant, reserve, the rest