Where does “navicular abdomen” come from?

navicular abdomen (English) comes from English abdomen, from Middle French abdomen, from Latin abdomen, from Latin abdō, from Latin -dō, from Proto-Germanic -dô, from Sicilian di, from Latin dē — afterwards, post; by, at.

Ancestry of “navicular abdomen”, step by step

navicular abdomen traces back through two separate lines of ancestry.

via English abdomen

StepLanguageWordMeaning
1EnglishabdomenThe fat surrounding the belly; The belly, or that...
2Middle Frenchabdomen
3Latinabdomenbelly, abdomen; gluttony
4Latinabdōto hide, conceal, keep secret, cover, suppress, sheathe
5Latin-dōto put
6Proto-Germanic-dô
7SiciliandiUsed to indicate possession, after the thing owned and before the owner; of; ’s
8Latinof; concerning; about
9Latinpostbehind; after, since, besides, except; behind,...
10Latinposteablative singular of postis
11Proto-Italicpostibehind, after
12Proto-Indo-Europeanpóstiafter
13Proto-Indo-Europeanpósafterwards, post; by, at

via English navicular

StepLanguageWordMeaning
1EnglishnavicularShaped like a boat; Relating to boats; A...
2Middle Frenchnaviculaire
3LatinnāviculārisOf, or relating to shipping
4Latinnāviculaa small ship
5Latinnāvisship, boat, vessel; a fleet in the plural
6Proto-Italicnaus
7Germanhinausout
8Germanausout; over; finished; done; up; off
9Old High Germanūzout
10Proto-West Germanic*ūtout, outward
11Proto-Germanicūtout, outward
12Proto-Indo-Europeanúdout, outward
Every word from Proto-Indo-European pós