Visigothic masc. proper name, literally "all-ruler," from Proto-Germanic *ala- "all" (see all) + *rikja "rule," from PIE root *reg- "move in a straight line," with derivatives meaning "to direct in a straight line," thus "to lead, rule."
alacrity
Aladdin
Alamo
Alan
alar
Alaric
alarm
alarmed
alarmingly
alarmist
alarum