köken: From Middle High German rippe (also ruppe, ribbe, ribe, riebe), from Old High German rippa, ribba, (also rippi, ribbi), from Proto-West Germanic *ribi, from Proto-Germanic *ribją (“rib, reef”). Cognate with English rib, Dutch rib (“rib”), Low German ribbe (“rib”), Old Norse rif (“rib, reef”).
köken: Inherited from Latin arcus (whence English archery), from Proto-Indo-European *h₂erkʷo- (“bow, arrow”). In some senses inherited, in others borrowed directly from Latin. Cognate with English arrow, arc, and arch.
aile: arcada, arco a nivel, arco a regla, arco aórtico, arco de círculo, arco de herradura, arco de iglesia, arco de medio punto, arco de todo punto, arco de triunfo
diminutive of ala · vane (a surface radially mounted along an axis) · a small wing or wing-like structure, such as tailplanes, missile fins and fletchings
köken: Etymology tree Proto-Indo-European *h₁rebʰ-ró-m Proto-Balto-Slavic *rébran Proto-Slavic *rebrò Old Polish żebro Polish żebro Inherited from Old Polish żebro.
köken: From Proto-Finnic *kaari, from Proto-Uralic *këŋere. Cognate with Estonian kaar. * ((law) code, act): Semantic loan from Swedish balk (literally “beam”), perhaps by comparison with the rib of a boat or ship. * ((taxonomy) division, phylum): Semantic development from “(law) code, act”.