de (Greek #1161)
but, and, etc.
KJV usage: also, and, but, moreover, now (often unexpressed in English).
Pronounce: deh
Origin: a primary particle (adversative or continuative)
hotan (Greek #3752)
whenever (implying hypothesis or more or less uncertainty); also causatively (conjunctionally) inasmuch as
KJV usage: as long (soon) as, that, + till, when(-soever), while.
Pronounce: hot'-an
Origin: from 3753 and 302