[はつ, hatsu](n, n-suf) (1) (See 着・ちゃく・2) departure; departing (from ...); departing (at time ...); (2) sending; sent (by ...); sent (at ...); (3) (abbr) (See 発動機) engine; (ctr) (4) (also ぱつ) counter for gunshots, bursts of gas, etc.; counter for bullets, bombs, etc.; counter for blows (punches); (P)#1607[Add to Longdo]
[はっせい, hassei](n, vs, adj-no) (1) outbreak; spring forth; occurrence; incidence; origin; (2) (See 個体発生) ontogeny; development of complex multicellular structures from cell(s) in a simple state; (P)#792[Add to Longdo]
[はってん, hatten](n, vs) (1) development; growth; advancement; unfurling; (2) expansion; extension; enlargement; (3) (recently often associated with gay sex) (See 発展場) playing around; having an active sex life; (P)#1425[Add to Longdo]