←
Proto-Indo-European *úderos (inherited)
←
Proto-Indo-European *úd (affix)
←
Proto-Indo-European *-teros (affix)
→
English edder (cognate)
→
Old English ædre (cognate)
→
Middle English edre (mention)
→
Esperanto utero (borrowed)
→
Spanish útero (derived)
→
Ancient Greek ἦτορ (cognate)
→
Ancient Greek ὑστέρα (cognate)
→
Ancient Greek ὕδερος (cognate)
→
Italian utero (derived)
→
Portuguese útero (derived)
→
Romanian uter (borrowed)