奚
ケイ, なんぞ

servant, what, why

JLPT0 G13 S0 F5000

大 stand outstretched + an abbreviated form# of the right-hand element of 繼 (link) → slaves linked/chained in alignment (compare 虜 and 婁) → servant. *What*, *why* and *how* are borrowed meanings.

[Full Kanji Etymology List]