the "los" in Spanish refers to "the" (plural definite article).

los as in "loss" used informally in English.

नुकसान

English Usage: "They faced a significant los in the investment."

Hindi Usage: "उन्हें निवेश में महत्वपूर्ण नुकसान हुआ।"

"los" as an informal variant of "lose."

हारना

English Usage: "Don't los track of your keys."

Hindi Usage: "अपनी चाबियाँ हार मत जाना।"