Middle voice of apparently a prolonged form of an obsolete primary (compare G3735); to stretch oneself, that is, reach out after (long for)
KJV Usage: covet after, desire.
From G3713; properly desire (as a reaching forth or excitement of the mind), that is, (by analogy) violent passion (ire, or [justifiable] abhorrence); by implication punishment
KJV Usage: anger, indignation, vengeance, wrath.
From G3713; excitement of the mind, that is, longing after