←
Old English dēop (inherited)
←
Middle English deep (alter)
←
Middle English deepe (alter)
←
Middle English deop (alter)
←
Middle English dep (alter)
←
Middle English deope (alter)
←
Middle English depely (link)
←
Middle English depen (link)
←
Middle English depthe (link)
←
Proto-Indo-European *dʰewb- (root)
→
English deep (inherited)
→
Middle English depthe (affix)
→
Middle English depely (affix)
→
Middle English depen (affix)