Where does “pinnatiped” come from?

pinnatiped (English) comes from Latin pedis, from Latin pes, from Proto-Italic pets, from Proto-Indo-European pṓds, from Proto-Indo-European póds, from Proto-Indo-European ped- — to walk, to step; to stumble, to fall.

pinnatiped (English): Any bird which has the toes bordered by membranes

Definitions

  1. Any bird which has the toes bordered by membranes

Ancestry of “pinnatiped”, step by step

pinnatiped traces back through two separate lines of ancestry.

via Latin pedis

StepLanguageWordMeaning
1Latinpedislouse; genitive singular of pēs
2Latinpesa foot, "in its senses as"; a place to tread...
3Proto-Italicpetsfoot
4Proto-Indo-Europeanpṓdsfoot
5Proto-Indo-Europeanpódsfoot
6Proto-Indo-Europeanped-to walk, to step; to stumble, to fall

via Latin pinnatus

StepLanguageWordMeaning
1Latinpinnatusfeathered; winged; pinnate
2LatinpinnaAlternative form of penna; dorsal fin; wing,...
3Latinpennawing; feather, especially a flight-feather;...
4Proto-Italicpetnāfeather; wing
5Proto-Indo-Europeanpéth₂r̥wing; feather
6Proto-Indo-Europeanpeth₂-to spread out; to fly
Every word from Proto-Indo-European ped-Every word from Proto-Indo-European pódsEvery word from Proto-Indo-European pṓds