ika-

From Proto-Austronesian *Sika-.

ika-

1. Used to form ordinal numbers.
2. Attached to a numerical symbol to denote an ordinal number.

   7 (pito) ― ika-7 (ika-pito)

• The ordinal is linked to a noun with the use of the linker "nga" (short form: "-ng") or alternatively, but less frequently, with "ka".

  Ikalima nga adlaw / Ikalimang adlaw / Ikalima ka adlaw ― Fifth day

• maka-
• ka-

From Proto-Austronesian *Sika-.

iká- (Baybayin spelling ᜁᜃ)

1. used to form ordinal numbers

   ‎ika- + ‎dalawa (“two”) → ‎ikalawa (“second”)

2. used to express o'clock

   Synonym: alas

   ‎ika- + ‎lima (“five”) → ‎ikalima (“five o'clock”)

• Tagalog ordinal numbers prefixed with ika- are usually more formal compared to those prefixed with pang-, but ika- is also preferred in temporal rankings.

iká- (Baybayin spelling ᜁᜃ)

1. used to form verbs with causative focus

   ‎ika- + ‎galit (“anger”) → ‎ikagalit (“to cause one's anger”)