Hydor

The Ancient Greek term Hydor (ὕδωρ) means "Water". It is a constellation that is only mentioned in Aratus' didactical poem "Phainomena".

IAU Working Group Star Names

The name "Hydor (ὕδωρ) is suggested for 2 Cet (HIP 301, HR 9098), a blue star (B9) of 4.536 mag in visible light. In modern star charts, the star is located between the tail of the Cetus-figure and the drops of the outlet of Aquarius.

the WGSN chose ... (not to apply/ to apply the name to a neighbouring star/ to ...) in the IAU-CSN.