Uterus

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Latin.

wiktionary

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From Latin uterus(“womb, belly”).

etymonline

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uterus (n.)

"female organ of gestation, womb," late 14c., from Latin uterus "womb, belly" (plural uteri), from PIE root *udero- "abdomen, womb, stomach" (source also of Sanskrit udaram "belly," Greek hystera "womb," Lithuanian vėderas "sausage, intestines, stomach, lower abdomen," Old Church Slavonic vedro "bucket, barrel," Russian vedro).