The word "想来" is formed by combining the verb "想" (xiǎng), meaning "to think", with the directional verb "来" (lái), meaning "to come". In this construction, "来" functions as a complement that grammaticalizes to indicate an inferred or tentative direction of thought, shifting the literal meaning to express speculation or estimation, roughly equivalent to "I suppose" or "it seems". This results in a fixed phrase used to introduce a personal opinion or assumption with mild uncertainty.