The only free and comprehensive online etymological dictionary of the Spanish language
muñir (Verb) "to summon"
From Latin monere "to remind." From Proto-Italic *mon-eje- 'id.' From Proto-Indo-European *mon-ei̯e- 'id.' More literally to cause upon another's mind (cf. mente "mind"), from *men- "to think" (see mente).
Indo-European
Romance
Portuguese monir
Celtic
Celtiberian monimam (?) "memory," Old Irish muinithir "to think"
Indo-Iranian
Sanskrit mānáyati "to honor," Old Avestan mānaiia- "to make think"