Combining form of 木 (き, ki): tree; wood

a tree / Short for 木曜日 (mokuyōbi): Thursday / wood grain

(derogatory) wooden, as of a person's character or behavior / (derogatory) wooden, as of a person's mental abilities: blockheaded, stupid, dimwitted

tree / wood

see you later (said by a person staying, a stock phrase required by the Japanese etiquette, lit.: (after) going, come back)

行っていらっしゃい: alternative form of いってらっしゃい (itterasshai)

thus

Persia

(historical, Edo period) Persia

(archaic, possibly obsolete) Persia, especially ancient Persia