Noun
development [pl. developments]
origin {Biol.}
تَكَوُّن {أحياء}
beginning {Biol.}
تَكَوُّن {أحياء}
formation [pl. formations]
birth [pl. births]
starting-point {Biol.}
تَكَوُّن {أحياء}
genesis {Biol.}
تَكَوُّن {أحياء}