←
Old English sāwan (cognate)
←
Old English sǣd (mention)
←
Old English sǣl (cognate)
←
Old English tīd (cognate)
←
Middle English sesoun (inherited)
←
Middle English sele (cognate)
←
Middle English tide (cognate)
←
Old French seson (derived)
←
Proto-Indo-European *seh₁- (root)
←
Proto-Indo-European *seh₁- (derived)
→
Japanese シーズン (borrowed)