←
Old English bysiġ (inherited)
←
Old English bisiġ (mention)
←
Middle English bisy (inherited)
←
Middle English busie (mention)
←
Proto-West Germanic *bisīg (inherited)
←
Low German besig (cognate)
←
Old Frisian bisgia (cognate)
←
Saterland Frisian biesich (cognate)
→
Middle Dutch besich (cognate)
→
Marshallese pijin (suffix)
→
German Low German besig (link)
→
Tok Pisin bisi (derived)