會
カイ, エ, あ.う, あ.わせる, あつ.まる, あい

meet, party, association, interview, join

JLPT0 G13 S0 F5000

The relevant seal inscription form is a variant form of 介# (reduce) + 曾 (pile → mass) → mass gathering that reduces/eliminates space → *meet*; *assemble* → (conduct an) *interview*.

[Full Kanji Etymology List]