12th cent. From Latin clamare 'id.'
Probably from a noun in Proto-Italic *klām-o/ā "shout." From *kl̥h1-m- 'id.' From *kleh1- "to call."
Romance: Western Vulgar Latin: Asturian llamar, Portuguese chamar, Galician chamar, Catalan clamar, French clamer, Italian chiamare; Eastern Vulgar Latin: Aromanian cljem, Romanian chema; Sardinian: ciamare
Italic: Latin calare "to call," Umbrian kar̆etu "he must call" (kleh1-)
Indo-European: Germanic: Old Norse hjal "talk," Old High German hellan "to resound," Old Saxon halōn "to get," Old English hlōwan "to roar;" Balto-Slavic: Lithuanian kaļuôt "to talk idly;" Hellenic: Ancient Greek κᾰλεῖν (kaleîn) "to call;" Anatolian: Hittite kallišzi "to call"