गार

Etymology 1
.

Noun

 * 1) hailstone
 * 2) flint

Etymology 2
.

Noun

 * 1) hole, pit

Etymology 3
Unknown. Possibly a substrate loan.

Alternatively, an extension of Etymology 1, in the direction "hailstone" > "ice" > cold" or "hailstone" > "cold weather" > "cold".

Adjective

 * 1) cold