to be in pain
Building blocks
valu- pain
-ta- factitive (“make/do pain”)
-ma - infinitive ending
This verb is clearly derived from “valu” - “pain”, which apparently has its roots in a Germanic language (cf German “Qual” - “pain, suffering”).
How to use it
The reason for causing pain is the actor of this verb, so it is in the Nominative case (first base form).
Examples
Mu parem jalg valutab
Literally: “My right leg is in pain”
Idiomatically: “My right leg hurts”
Mu - Pronoun - Gen Sg, "my"
parem - Adjective - Nom Sg, "right"
jalg - Noun - Nom Sg, "leg"
valutab - Verb - 3P Sg Ind Present, "hurts"
Miks kõht valutab?
Literally: “Why stomach in pain?”
Idiomatically: “Why does your stomach hurt?”
Miks - Adverb - "why?"
kõht - Noun - Nom Sg, "stomach"
valutab - Verb - 3P Sg Ind Present, "hurts"