←
Old English þanne (inherited)
←
Old English þonne (mention)
←
Middle English than (inherited)
←
Middle English thanne (mention)
←
Proto-Germanic *þan (inherited)
←
Proto-Indo-European *tóm (derived)
←
Proto-Indo-European *só (mention)
→
English elder (mention)
→
English 'n (contraction of)
→
Old English þenden (mention)