köken: From Proto-Turkic *sedrek (“rare”). Cognate with Old Uyghur [script needed] (sedräk, “rare”); Tatar сирәк (siräk), Kazakh сирек (sirek), Kyrgyz сейрек (seyrek), Southern Altai сайак (sayak), Uzbek siyrak, Turkish seyrek, Azerbaijani seyrək, Yakut сэдэх (sedeq), Turkmen seýrek (“rare”), etc.
red (having red as its colour) · red (left-wing, socialist or communist) · red (colour), (a socialist or a communist)
çekim: karşılaştırma rødere · üstünlük rødest
köken: From Old Norse rauðr, from Proto-Germanic *raudaz, cognate with English red and German rot. The Germanic adjective goes back to Proto-Indo-European *h₁rewdʰ-, cf. Latin ruber, Ancient Greek ἐρυθρός (eruthrós).
aile: đất hiếm, hiếm hoi, hiếm khi, hiếm muộn, khan hiếm, khí hiếm, kim loại hiếm, quí hiếm, quý hiếm
Bulgarcaнедоварен, недопечен, необикновен, ря́дък
Etimoloji
From the neuter form of Old Swedish sälsyn, siäldsyn, siälsyn, siälffsyn. Compound of two parts. The first part is the same root as in sällan and sällsam, from Proto-Germanic *seldanē. The second part is -synt. Thus, literally, "seldom seen".