querer
want
query
to ask or question
+
-er
verb suffix
Querer means to want and can be remembered as query0 (to ask for0) + -er1 (verb suffix1), as wanting something is like asking for it.
verb
  1. want
    To want or desire something
    Quiero un vaso de agua. // I want a glass of water.
  2. love
    To love or care for someone
    Te quiero mucho. // I love you very much.