Reconstruction:Proto-Indo-European/ḱm̥tóm

Etymology
Some sort of derivation from (with Pre-IE *d lost or merged with *h₁ in the same way the initial dental obstruent was lost in the oblique cases of ), perhaps its ordinal number (🇰🇲). If so then this could come from some phrase, "tenth", whose substantive noun can only be conjectured.

Numeral

 * 1) hundred