inauguration

A formal induction into office.

From Latin inaugur³re < in-, "in" intensive pref. + augur³re, "to augur"

From augur, "a soothsayer" an ancient Roman religious official who foretold the future by interpreting signs and omens, that is by reading the auspices (< Latin auspicium < avis "bird" + spicere/specere "to look at")

From the Indo-European Root *AUG- "to increase"

Some other interesting derivatives of this root are:

From Old English

• eke (as in "to eke out a living")
• nickname (an ekename) an added name
• waist
• wax (as in "the waxing moon")

From Latin augere, auctum "to increase"

• augment, auction, augend, author (Latin, auctor), authorial, authorize

From Latin augustus "majestic"

• August, august

From Greek au)ca/nein / au)/cein (auxanein / auxein) "increase"

• auxin (a plant hormone), auxesis (increase in size through cell growth)