対

Glyph origin
.

Kanji

 * 1) facing, opposed
 * 2) pair, duo, dyad

Usage notes

 * Most dictionaries do not have "つゐ" as a historical reading for 対. According to historical data, the tōon-reading of 対 is the modern "つい". However, the Dai Kanwa Jiten has "つゐ" and related -ゐ historical on-readings.

Etymology 1
From.

Conjunction

 * 1) versus

Etymology 2
From.

Counter

 * 1) items that come in pairs
 * 2) sets of furniture etc.

Noun

 * 1) pair