間
カン, ケン, あいだ, ま, あい, ちか, は, はざ, はし
interval, space
JLPT5 G2 S12 F33
門# gate + 日 sun/day → bright light splitting and illuminating the *gap*/*space* between the two sides of a gate (compare 閒) → *between*; *among*; *room*; *during*; *pause/interval*; (passage of) *time* (← gap).
[Full Kanji Etymology List]