acequia

The story

1. Arabic · derived fromسَقَى“to irrigate”
2. Arabic · derived fromالساقیة“water conduit”
3. Spanish · borrowed fromacequia
4. English todayacequia

From Spanish acequia, from Arabic الساقیة (“water conduit”), ultimately from Classical Arabic سَقَى (saqā, “to irrigate”). Doublet of sakia.

First known use, by meaning

• from 19th c. An irrigation ditch, chiefly with reference to Mexico or the southwestern US.