Where does “乇” come from?

乇 (Chinese) comes from English torr, from Middle English torr, from Old English torr, from Latin Turris, from Ancient Greek τύρρις, from Ancient Greek τύρσις — tower, bastion.

Ancestry of “乇”, step by step

Step	Language	Word	Meaning
1	English	torr	A unit of pressure that is equal to approximately...
2	Middle English	torr	—
3	Old English	torr	tower
4	Latin	Turris	A river of Venetia, now called Torre
5	Ancient Greek	τύρρις	tower, walled city
6	Ancient Greek	τύρσις	tower, bastion

Every word from Ancient Greek τύρσις →Every word from Ancient Greek τύρρις →Every word from Latin Turris →