一飛 is read as いちひ (ichihi) and means first fly.
いちひ
ichihi
いっそくとび
(at) one bound
ひととび
(at) once
ひとっとび
おとつい
day before yesterday
いってい
fixed
おととし
year before last
いちだんらく
one paragraph
いちたいいち
one-to-one
いちぶ
one copy (e.g. of a document)
いちばん
best
いちめん
(on) the other hand
いちりゅう
school (e.g. of flower arrangement)