G3752 ὅταν (hótan)

KJV renderings: as long (soon) as, that, + till, when(-soever), while
Strong's definition: whenever (implying hypothesis or more or less uncertainty); also causatively (conjunctionally) inasmuch as
Derivation: from G3753 (ὅτε) and G302 (ἄν);

From James Strong's public-domain dictionaries (G), JSON edition by OpenScriptures (CC-BY-SA). Every dotted-underline word in the text links here.