ガン, ふく.む, ふく.める

include, bear in mind, understand, cherish

JLPT2 G7 S7 F466

As per # (contain) + mouth → *contain in the mouth*; *contain*; *include*. Extended meanings include *bear (in mind)*, *have*, *hold* and *imply*, as well as *give instructions* and *understand* (← give instructions that the hearer takes in and comprehends).

[Full Kanji Etymology List]