There seems to be no definition for that word. But there are definitions for encounter, maybe encount comes from encounter, or vise versa.
The word "pagtatagpo" is in Tagalog language (national language in the Philippines). In English language it's equivalent is "meeting", or the closer definition would be "encounter". Note: "Encounter" would be the closest definition to "pagtatagpo".
To encounter suddenly or unexpectedly; take or catch unawares.
Since everything we encounter in the physical world is, by definition, physics, physics applies to everything--including elementary teachers.
The word encounter could be followed by prepositions such as with (encounter with danger). Also the preposition of (encounter of the third kind).
Antonyms of elude [[definition to avoid, or escape]] : attract, confront, encounter, entice, face, invite,meet, take on source: online thesaurus.
Common prepositions that can be used with "encounter" include "in," "during," "through," "on," and "at." For example: "She had an encounter with a bear in the woods," "We had an encounter during our trip," "They had an encounter through a mutual friend," "I had an encounter on my way to work," "He had an encounter at the restaurant."
The word encounter is both a noun and a verb. Examples: He had a strange encounter on a train. You will encounter many obstacles.
social encounter
An Encounter was created in 1914.
social encounter
Clarify your question. Why did the vikings encounter ... what?
meeting, contact, appointment, conflict, collision, clash, battle