This is the 337th most frequent Lithuanian word.
rinktis
"Rinktis" means "to choose" in English.
Here 'renkuosi' is the first-person singular present tense form of 'rinktis', meaning 'to choose.'
Aš renkuosi savo mėgstamiausią knygą.
I choose my favorite book.
In this sentence, 'renkiesi' is the second-person singular present tense form of 'rinktis', functioning as 'you choose.'
Tu visada renkiesi sunkiausius uždavinius.
You always choose the most challenging tasks.
'Renkame' in this context means 'we are collecting' and demonstrates the broader meaning of 'rinktis' as 'to gather.'